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Gibbsite - Wikipedia

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current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" 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class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en" class=""><span>Donate</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&amp;returnto=Gibbsite" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&amp;returnto=Gibbsite" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Log in and more options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?wmf_source=donate&amp;wmf_medium=sidebar&amp;wmf_campaign=en.wikipedia.org&amp;uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&amp;returnto=Gibbsite" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&amp;returnto=Gibbsite" title="You&#039;re encouraged to log in; however, it&#039;s not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><!-- CentralNotice --></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-Structure" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Structure"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Structure</span> </div> </a> <ul id="toc-Structure-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mineralogical_properties" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Mineralogical_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Mineralogical properties</span> </div> </a> <ul id="toc-Mineralogical_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Etymology" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Etymology"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Etymology</span> </div> </a> <ul id="toc-Etymology-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Gibbsite</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 34 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-34" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">34 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Gibbsiet" title="Gibbsiet – Afrikaans" lang="af" hreflang="af" data-title="Gibbsiet" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AC%D8%A8%D8%B3%D9%8A%D8%AA" title="جبسيت – Arabic" lang="ar" hreflang="ar" data-title="جبسيت" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Cibbsit" title="Cibbsit – Azerbaijani" lang="az" hreflang="az" data-title="Cibbsit" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%93%D1%96%D0%B4%D1%80%D0%B0%D1%80%D0%B3%D1%96%D0%BB%D1%96%D1%82" title="Гідраргіліт – Belarusian" lang="be" hreflang="be" data-title="Гідраргіліт" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Gibbsita" title="Gibbsita – Catalan" lang="ca" hreflang="ca" data-title="Gibbsita" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Gibbsit" title="Gibbsit – Czech" lang="cs" hreflang="cs" data-title="Gibbsit" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Gibbsit" title="Gibbsit – German" lang="de" hreflang="de" data-title="Gibbsit" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Gibbsiit" title="Gibbsiit – Estonian" lang="et" hreflang="et" data-title="Gibbsiit" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%93%CE%B9%CE%B2%CE%B2%CF%83%CE%AF%CF%84%CE%B7%CF%82" title="Γιββσίτης – Greek" lang="el" hreflang="el" data-title="Γιββσίτης" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Gibbsita" title="Gibbsita – Spanish" lang="es" hreflang="es" data-title="Gibbsita" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Gibbsita" title="Gibbsita – Basque" lang="eu" hreflang="eu" data-title="Gibbsita" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%98%DB%8C%D9%BE%D8%B3%DB%8C%D8%AA" title="ژیپسیت – Persian" lang="fa" hreflang="fa" data-title="ژیپسیت" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Gibbsite" title="Gibbsite – French" lang="fr" hreflang="fr" data-title="Gibbsite" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Gibbsita" title="Gibbsita – Galician" lang="gl" hreflang="gl" data-title="Gibbsita" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%AB%D5%A4%D6%80%D5%A1%D6%80%D5%A3%D5%AB%D5%AC%D5%AB%D5%BF" title="Հիդրարգիլիտ – Armenian" lang="hy" hreflang="hy" data-title="Հիդրարգիլիտ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Gibbsit" title="Gibbsit – Indonesian" lang="id" hreflang="id" data-title="Gibbsit" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Gibbsite" title="Gibbsite – Italian" lang="it" hreflang="it" data-title="Gibbsite" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%93%D0%B8%D0%B4%D1%80%D0%B0%D1%80%D0%B3%D0%B8%D0%BB%D0%BB%D0%B8%D1%82" title="Гидраргиллит – Kazakh" lang="kk" hreflang="kk" data-title="Гидраргиллит" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%93%D0%B8%D0%B4%D1%80%D0%B0%D1%80%D0%B3%D0%B8%D0%BB%D0%BB%D0%B8%D1%82" title="Гидраргиллит – Kyrgyz" lang="ky" hreflang="ky" data-title="Гидраргиллит" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Gibbsiet" title="Gibbsiet – Dutch" lang="nl" hreflang="nl" data-title="Gibbsiet" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AE%E3%83%96%E3%82%B9%E7%9F%B3" title="ギブス石 – Japanese" lang="ja" hreflang="ja" data-title="ギブス石" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Gibbsitt" title="Gibbsitt – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Gibbsitt" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Gibbsitt" title="Gibbsitt – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Gibbsitt" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Gidrargillit" title="Gidrargillit – Uzbek" lang="uz" hreflang="uz" data-title="Gidrargillit" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Gibbsyt" title="Gibbsyt – Polish" lang="pl" hreflang="pl" data-title="Gibbsyt" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Gibbsita" title="Gibbsita – Portuguese" lang="pt" hreflang="pt" data-title="Gibbsita" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D0%B8%D0%B4%D1%80%D0%B0%D1%80%D0%B3%D0%B8%D0%BB%D0%BB%D0%B8%D1%82" title="Гидраргиллит – Russian" lang="ru" hreflang="ru" data-title="Гидраргиллит" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Gibbsite" title="Gibbsite – Simple English" lang="en-simple" hreflang="en-simple" data-title="Gibbsite" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Gibsit" title="Gibsit – Slovenian" lang="sl" hreflang="sl" data-title="Gibsit" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%81%E0%B8%B4%E0%B8%9A%E0%B8%9A%E0%B9%8C%E0%B9%84%E0%B8%8B%E0%B8%95%E0%B9%8C" title="กิบบ์ไซต์ – Thai" lang="th" hreflang="th" data-title="กิบบ์ไซต์" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%93%D0%B8%D0%B4%D1%80%D0%B0%D1%80%D0%B3%D0%B8%D0%BB%D0%BB%D0%B8%D1%82" title="Гидраргиллит – Tajik" lang="tg" hreflang="tg" data-title="Гидраргиллит" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D1%96%D0%B1%D0%B1%D1%81%D0%B8%D1%82" title="Гіббсит – Ukrainian" lang="uk" hreflang="uk" data-title="Гіббсит" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Gibbsit" title="Gibbsit – Vietnamese" lang="vi" hreflang="vi" data-title="Gibbsit" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%B8%89%E6%B0%B4%E9%93%9D%E7%9F%B3" title="三水铝石 – Chinese" lang="zh" hreflang="zh" data-title="三水铝石" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q408516#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Gibbsite" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" 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class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Gibbsite"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Gibbsite&amp;action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Gibbsite&amp;action=history"><span>View history</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:WhatLinksHere/Gibbsite" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/Gibbsite" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Gibbsite&amp;oldid=1196548499" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Gibbsite&amp;action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&amp;page=Gibbsite&amp;id=1196548499&amp;wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FGibbsite"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FGibbsite"><span>Download QR code</span></a></li> </ul> </div> </div> <div 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Form of aluminium hydroxide, mineral</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="color:black; background-color: #8BAFDA">Gibbsite</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Gibbsite-fiu14a.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Gibbsite-fiu14a.jpg/220px-Gibbsite-fiu14a.jpg" decoding="async" width="220" height="278" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Gibbsite-fiu14a.jpg/330px-Gibbsite-fiu14a.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Gibbsite-fiu14a.jpg/440px-Gibbsite-fiu14a.jpg 2x" data-file-width="634" data-file-height="800" /></a></span><div class="infobox-caption">Gibbsite</div></td></tr><tr><th colspan="2" class="infobox-header" style="color:black; background-color: #8BAFDA">General</th></tr><tr><th scope="row" class="infobox-label">Category</th><td class="infobox-data"><a href="/wiki/Hydroxide_minerals" class="mw-redirect" title="Hydroxide minerals">Hydroxide minerals</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Chemical_formula" title="Chemical formula">Formula</a><br /><style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style><span class="nobold">(repeating unit)</span></th><td class="infobox-data">Al(OH)<sub>3</sub></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/List_of_mineral_symbols" title="List of mineral symbols">IMA symbol</a></th><td class="infobox-data">Gbb<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Nickel%E2%80%93Strunz_classification" title="Nickel–Strunz classification">Strunz classification</a></th><td class="infobox-data">4.FE.10</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Crystal_system" title="Crystal system">Crystal system</a></th><td class="infobox-data"><a href="/wiki/Monoclinic" class="mw-redirect" title="Monoclinic">Monoclinic</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Crystal_class" class="mw-redirect" title="Crystal class">Crystal class</a></th><td class="infobox-data">Prismatic (2/m) <br /><small>(same <a href="/wiki/H-M_symbol" class="mw-redirect" title="H-M symbol">H-M symbol</a>)</small></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Space_group" title="Space group">Space group</a></th><td class="infobox-data"><i>P2</i><sub>1</sub>/n</td></tr><tr><th colspan="2" class="infobox-header" style="color:black; background-color: #8BAFDA">Identification</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Mohs_scale_of_mineral_hardness" class="mw-redirect" title="Mohs scale of mineral hardness">Mohs scale</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488"><span class="nobold">hardness</span></th><td class="infobox-data">2.5–3</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Specific_gravity" class="mw-redirect" title="Specific gravity">Specific gravity</a></th><td class="infobox-data">2.35</td></tr></tbody></table> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Gibbsite-crystal-3D-balls.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Gibbsite-crystal-3D-balls.png/220px-Gibbsite-crystal-3D-balls.png" decoding="async" width="220" height="197" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Gibbsite-crystal-3D-balls.png/330px-Gibbsite-crystal-3D-balls.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Gibbsite-crystal-3D-balls.png/440px-Gibbsite-crystal-3D-balls.png 2x" data-file-width="1100" data-file-height="986" /></a><figcaption><a href="/wiki/Ball-and-stick_model" title="Ball-and-stick model">Ball-and-stick model</a> of the part of the <a href="/wiki/Crystal_structure" title="Crystal structure">crystal structure</a> of gibbsite</figcaption></figure> <p><b>Gibbsite</b>, Al(OH)<sub>3</sub>, is one of the mineral forms of <a href="/wiki/Aluminium_hydroxide" title="Aluminium hydroxide">aluminium hydroxide</a>. It is often designated as γ-Al(OH)<sub>3</sub><sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 2">&#58;&#8202;2&#8202;</span></sup> (but sometimes as α-Al(OH)<sub>3</sub><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup>). It is also sometimes called <b>hydrargillite</b> (or <b>hydrargyllite</b>). </p><p>Gibbsite is an important ore of <a href="/wiki/Aluminium" title="Aluminium">aluminium</a> in that it is one of three main <a href="/wiki/Phase_(matter)" title="Phase (matter)">phases</a> that make up the rock <a href="/wiki/Bauxite" title="Bauxite">bauxite</a>. </p><p>Gibbsite has three named structural <a href="/wiki/Polymorphism_(materials_science)" class="mw-redirect" title="Polymorphism (materials science)">polymorphs</a> or <a href="/wiki/Polytype" class="mw-redirect" title="Polytype">polytypes</a>: <b>bayerite</b> (designated often as α-Al(OH)<sub>3</sub>,<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 2">&#58;&#8202;2&#8202;</span></sup> but sometimes as β-Al(OH)<sub>3</sub>)<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (October 2020)">citation needed</span></a></i>&#93;</sup>, <i><a href="/wiki/Doyleite" title="Doyleite">doyleite</a></i>, and <b>nordstrandite</b>. Gibbsite can be <a href="/wiki/Monoclinic" class="mw-redirect" title="Monoclinic">monoclinic</a> or <a href="/wiki/Triclinic_crystal_system" title="Triclinic crystal system">triclinic</a>, while bayerite is monoclinic.<sup id="cite_ref-:0_2-2" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 13">&#58;&#8202;13&#8202;</span></sup> Doyleite and nordstrandite are triclinic forms.<sup id="cite_ref-:0_2-3" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 13">&#58;&#8202;13&#8202;</span></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gibbsite&amp;action=edit&amp;section=1" title="Edit section: Structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The structure of gibbsite is interesting and analogous to the basic structure of the <a href="/wiki/Mica" title="Mica">micas</a>. The basic structure forms stacked sheets of linked <a href="/wiki/Octahedron" title="Octahedron">octahedra</a>. Each octahedron is composed of an <a href="/wiki/Aluminium" title="Aluminium">aluminium</a> ion bonded to six hydroxide groups, and each <a href="/wiki/Hydroxide" title="Hydroxide">hydroxide</a> group is shared by two aluminium octahedra.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> One third of the potential octahedral spaces are missing a central aluminium. The result is a neutral sheet: with aluminium as a +3 ion and hydroxide a −1 ion, the net cationic charge of one aluminium per six hydroxides is (+3)/6 = +1/2, and likewise the net anionic charge of one hydroxide per two aluminium atoms is (−1)/2 = −1/2. The lack of a charge on the gibbsite sheets means that there is no charge to retain ions between the sheets and act as a "glue" to keep the sheets together. The sheets are only held together by weak residual bonds and this results in a very soft easily cleaved mineral.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">&#91;<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2013)">citation needed</span></a></i>&#93;</sup> </p><p>Gibbsite's structure is closely related to the structure of <a href="/wiki/Brucite" title="Brucite">brucite</a>, Mg(OH)<sub>2</sub>. However the lower charge in brucite's magnesium (+2) as opposed to gibbsite's aluminium (+3) does not require that one third of the octahedrons be vacant of a central ion in order to maintain a neutral sheet. The different symmetry of gibbsite and brucite is due to the different way that the layers are stacked. </p><p>It is the gibbsite layer that in a way forms the "floor plan" for the mineral <a href="/wiki/Corundum" title="Corundum">corundum</a>, Al<sub>2</sub>O<sub>3</sub>. The basic structure of corundum is identical to gibbsite except the hydroxides are replaced by <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>. Since oxygen has a charge of −2 the layers are not neutral and require that they must be bonded to other aluminiums above and below the initial layer producing the framework structure that is the structure of corundum. </p><p>Gibbsite is interesting for another reason because it is often found as a part of the structure of other minerals. The neutral aluminium hydroxide sheets are found sandwiched between silicate sheets in important clay groups: the <a href="/wiki/Illite" title="Illite">illite</a>, <a href="/wiki/Kaolinite" title="Kaolinite">kaolinite</a>, and <a href="/wiki/Montmorillonite" title="Montmorillonite">montmorillonite</a>/<a href="/wiki/Smectite" title="Smectite">smectite</a> groups. The individual aluminium hydroxide layers are identical to the individual layers of gibbsite and are referred to as the <i>gibbsite layers</i>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p><p>The lattice parameters for gibbsite depending upon the particular method used to measure or calculate them and are therefore displayed as ranges below. An Al-Al interlayer spacing of 0.484 or 0.494&#160;nm has been reported.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p> <table class="wikitable"> <caption>Gibbsite structural properties </caption> <tbody><tr> <th rowspan="2">Crystal system </th> <th rowspan="2">Molecules per unit cell </th> <th colspan="3">Lattice parameters (nm) </th> <th colspan="3">Lattice angles (°) </th></tr> <tr> <th>a </th> <th>b </th> <th>c </th> <th> </th> <th> </th> <th> </th></tr> <tr> <td>Monoclinic<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> </td> <td>4 </td> <td>0.850–0.868 </td> <td>0.487–0.508 </td> <td>0.922–0.974 </td> <td> </td> <td>92.8–94.5 </td> <td> </td></tr> <tr> <td>Triclinic <sup id="cite_ref-:0_2-4" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 13">&#58;&#8202;13&#8202;</span></sup> </td> <td>16 </td> <td>1.733 </td> <td>1.008 </td> <td>0.973 </td> <td>94.2 </td> <td>92.1 </td> <td>90.0 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Mineralogical_properties">Mineralogical properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gibbsite&amp;action=edit&amp;section=2" title="Edit section: Mineralogical properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <caption>Index of Refraction <sup id="cite_ref-:0_2-5" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><sup class="reference nowrap"><span title="Page / location: 12">&#58;&#8202;12&#8202;</span></sup> </caption> <tbody><tr> <th>α </th> <th>β </th> <th>γ </th></tr> <tr> <td>1.568 </td> <td>1.568 </td> <td>1.587 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Etymology">Etymology</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gibbsite&amp;action=edit&amp;section=3" title="Edit section: Etymology"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Gibbsite is named after <a href="/wiki/George_Gibbs_(mineralogist)" title="George Gibbs (mineralogist)">George Gibbs</a> (1776–1833), an American <a href="/wiki/Mineral_collector" class="mw-redirect" title="Mineral collector">mineral collector</a>.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gibbsite&amp;action=edit&amp;section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration 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.cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFWarr2021" class="citation journal cs1">Warr, L.N. (2021). <a rel="nofollow" class="external text" href="https://doi.org/10.1180%2Fmgm.2021.43">"IMA–CNMNC approved mineral symbols"</a>. <i>Mineralogical Magazine</i>. <b>85</b> (3): <span class="nowrap">291–</span>320. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2021MinM...85..291W">2021MinM...85..291W</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1180%2Fmgm.2021.43">10.1180/mgm.2021.43</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a>&#160;<a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:235729616">235729616</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Mineralogical+Magazine&amp;rft.atitle=IMA%E2%80%93CNMNC+approved+mineral+symbols&amp;rft.volume=85&amp;rft.issue=3&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E291-%3C%2Fspan%3E320&amp;rft.date=2021&amp;rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A235729616%23id-name%3DS2CID&amp;rft_id=info%3Adoi%2F10.1180%2Fmgm.2021.43&amp;rft_id=info%3Abibcode%2F2021MinM...85..291W&amp;rft.aulast=Warr&amp;rft.aufirst=L.N.&amp;rft_id=https%3A%2F%2Fdoi.org%2F10.1180%252Fmgm.2021.43&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGibbsite" class="Z3988"></span></span> </li> <li id="cite_note-:0-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-:0_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-:0_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-:0_2-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-:0_2-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWefersMisra1987" class="citation book cs1">Wefers, Karl; Misra, Chanakya (1987). <a rel="nofollow" class="external text" href="http://worldcat.org/oclc/894928306"><i>Oxides and hydroxides of aluminum</i></a>. Alcoa Research Laboratories. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/894928306">894928306</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Oxides+and+hydroxides+of+aluminum&amp;rft.pub=Alcoa+Research+Laboratories&amp;rft.date=1987&amp;rft_id=info%3Aoclcnum%2F894928306&amp;rft.aulast=Wefers&amp;rft.aufirst=Karl&amp;rft.au=Misra%2C+Chanakya&amp;rft_id=http%3A%2F%2Fworldcat.org%2Foclc%2F894928306&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGibbsite" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text">N.N. Greenwood and A. Earnshaw, "Chemistry of Elements", 2nd edition, Butterworth and Heinemann, 1997</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSaalfeldWedde1974" class="citation journal cs1">Saalfeld, H.; Wedde, M. (1974). <a rel="nofollow" class="external text" href="https://rruff.info/doclib/zk/vol139/ZK139_129.pdf">"Refinement of the crystal structure of gibbsite, Al(OH)<sub>3</sub>"</a> <span class="cs1-format">(PDF)</span>. <i>Zeitschrift für Kristallographie</i>. <b>139</b> (<span class="nowrap">1–</span>2): <span class="nowrap">129–</span>135. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1974ZK....139..129S">1974ZK....139..129S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1524%2Fzkri.1974.139.1-2.129">10.1524/zkri.1974.139.1-2.129</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=Zeitschrift+f%C3%BCr+Kristallographie&amp;rft.atitle=Refinement+of+the+crystal+structure+of+gibbsite%2C+Al%28OH%29%3Csub%3E3%3C%2Fsub%3E&amp;rft.volume=139&amp;rft.issue=%3Cspan+class%3D%22nowrap%22%3E1%E2%80%93%3C%2Fspan%3E2&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E129-%3C%2Fspan%3E135&amp;rft.date=1974&amp;rft_id=info%3Adoi%2F10.1524%2Fzkri.1974.139.1-2.129&amp;rft_id=info%3Abibcode%2F1974ZK....139..129S&amp;rft.aulast=Saalfeld&amp;rft.aufirst=H.&amp;rft.au=Wedde%2C+M.&amp;rft_id=https%3A%2F%2Frruff.info%2Fdoclib%2Fzk%2Fvol139%2FZK139_129.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGibbsite" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.galleries.com/minerals/oxides/gibbsite/gibbsite.htm">Gibbsite on Galleries.com</a></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><a rel="nofollow" class="external text" href="https://www.worldcat.org/oclc/894277485"><i>Advances in catalysis</i></a>. Amsterdam. 24 November 2014. pp.&#160;<span class="nowrap">321–</span>325. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/978-0-12-800300-8" title="Special:BookSources/978-0-12-800300-8"><bdi>978-0-12-800300-8</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/894277485">894277485</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=Advances+in+catalysis.&amp;rft.place=Amsterdam&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E321-%3C%2Fspan%3E325&amp;rft.date=2014-11-24&amp;rft_id=info%3Aoclcnum%2F894277485&amp;rft.isbn=978-0-12-800300-8&amp;rft_id=https%3A%2F%2Fwww.worldcat.org%2Foclc%2F894277485&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGibbsite" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_book" title="Template:Cite book">cite book</a>}}</code>: CS1 maint: location missing publisher (<a href="/wiki/Category:CS1_maint:_location_missing_publisher" title="Category:CS1 maint: location missing publisher">link</a>)</span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGaleRohlMilmanWarren2001" class="citation journal cs1">Gale, Julian D.; Rohl, Andrew L.; Milman, Victor; Warren, Michele C. (2001). <a rel="nofollow" class="external text" href="https://pubs.acs.org/doi/10.1021/jp011795e">"An ab Initio Study of the Structure and Properties of Aluminum Hydroxide: Gibbsite and Bayerite"</a>. <i>The Journal of Physical Chemistry B</i>. <b>105</b> (42): <span class="nowrap">10236–</span>10242. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fjp011795e">10.1021/jp011795e</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a>&#160;<a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/1520-6106">1520-6106</a>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Journal+of+Physical+Chemistry+B&amp;rft.atitle=An+ab+Initio+Study+of+the+Structure+and+Properties+of+Aluminum+Hydroxide%3A+Gibbsite+and+Bayerite&amp;rft.volume=105&amp;rft.issue=42&amp;rft.pages=%3Cspan+class%3D%22nowrap%22%3E10236-%3C%2Fspan%3E10242&amp;rft.date=2001&amp;rft_id=info%3Adoi%2F10.1021%2Fjp011795e&amp;rft.issn=1520-6106&amp;rft.aulast=Gale&amp;rft.aufirst=Julian+D.&amp;rft.au=Rohl%2C+Andrew+L.&amp;rft.au=Milman%2C+Victor&amp;rft.au=Warren%2C+Michele+C.&amp;rft_id=https%3A%2F%2Fpubs.acs.org%2Fdoi%2F10.1021%2Fjp011795e&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AGibbsite" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://webmineral.com/data/Gibbsite.shtml">Gibbsite Mineral Data on Webmineral.com</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gibbsite&amp;action=edit&amp;section=5" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Hurlbut, Cornelius S.; Klein, Cornelis, 1985, <i>Manual of Mineralogy</i>, 20th ed., <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a>&#160;<a href="/wiki/Special:BookSources/0-471-80580-7" title="Special:BookSources/0-471-80580-7">0-471-80580-7</a></li></ul> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; 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