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data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Alternar o índice" > <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">Alternar o índice</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">Geode</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" 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Disponível em 36 línguas" > <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-36" 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">36 línguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AC%D9%8A%D9%88%D8%AF_(%D8%AD%D8%AC%D8%B1)" title="جيود (حجر) — árabe" lang="ar" hreflang="ar" data-title="جيود (حجر)" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Geoda" title="Geoda — asturiano" lang="ast" hreflang="ast" data-title="Geoda" data-language-autonym="Asturianu" data-language-local-name="asturiano" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%96%D1%8D%D0%BE%D0%B4%D0%B0" title="Жэода — bielorrusso" lang="be" hreflang="be" data-title="Жэода" data-language-autonym="Беларуская" data-language-local-name="bielorrusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%93%D0%B5%D0%BE%D0%B4%D0%B0" title="Геода — búlgaro" lang="bg" hreflang="bg" data-title="Геода" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Geoda" title="Geoda — catalão" lang="ca" hreflang="ca" data-title="Geoda" data-language-autonym="Català" data-language-local-name="catalão" 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/Geoda" title="Geoda — checo" lang="cs" hreflang="cs" data-title="Geoda" data-language-autonym="Čeština" data-language-local-name="checo" 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/Geode_(Geowissenschaften)" title="Geode (Geowissenschaften) — alemão" lang="de" hreflang="de" data-title="Geode (Geowissenschaften)" data-language-autonym="Deutsch" data-language-local-name="alemão" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%93%CE%B5%CF%8E%CE%B4%CE%B5%CF%82" title="Γεώδες — grego" lang="el" hreflang="el" data-title="Γεώδες" data-language-autonym="Ελληνικά" data-language-local-name="grego" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Geode" title="Geode — inglês" lang="en" hreflang="en" data-title="Geode" data-language-autonym="English" data-language-local-name="inglês" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Druzo_(geologio)" title="Druzo (geologio) — esperanto" lang="eo" hreflang="eo" data-title="Druzo (geologio)" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Geoda" title="Geoda — espanhol" lang="es" hreflang="es" data-title="Geoda" data-language-autonym="Español" data-language-local-name="espanhol" 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/Geoda" title="Geoda — basco" lang="eu" hreflang="eu" data-title="Geoda" data-language-autonym="Euskara" data-language-local-name="basco" 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%D8%A6%D9%88%D8%AF" title="ژئود — persa" lang="fa" hreflang="fa" data-title="ژئود" data-language-autonym="فارسی" data-language-local-name="persa" 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/G%C3%A9ode_(roche)" title="Géode (roche) — francês" lang="fr" hreflang="fr" data-title="Géode (roche)" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%92%D7%90%D7%95%D7%93%D7%94_(%D7%A4%D7%98%D7%A8%D7%95%D7%9C%D7%95%D7%92%D7%99%D7%94)" title="גאודה (פטרולוגיה) — hebraico" lang="he" hreflang="he" data-title="גאודה (פטרולוגיה)" data-language-autonym="עברית" data-language-local-name="hebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Geoda" title="Geoda — indonésio" lang="id" hreflang="id" data-title="Geoda" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésio" 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/Geode" title="Geode — italiano" lang="it" hreflang="it" data-title="Geode" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%99%B6%E6%B4%9E" title="晶洞 — japonês" lang="ja" hreflang="ja" data-title="晶洞" data-language-autonym="日本語" data-language-local-name="japonês" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9F%E1%83%94%E1%83%9D%E1%83%93%E1%83%90" title="ჟეოდა — georgiano" lang="ka" hreflang="ka" data-title="ჟეოდა" data-language-autonym="ქართული" data-language-local-name="georgiano" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D0%B5%D0%BE%D0%B4%D0%B0" title="Жеода — cazaque" lang="kk" hreflang="kk" data-title="Жеода" data-language-autonym="Қазақша" data-language-local-name="cazaque" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A0%95%EC%A1%B1" title="정족 — coreano" lang="ko" hreflang="ko" data-title="정족" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/%C5%BDeoda" title="Žeoda — lituano" lang="lt" hreflang="lt" data-title="Žeoda" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Geode_(mineralogie)" title="Geode (mineralogie) — neerlandês" lang="nl" hreflang="nl" data-title="Geode (mineralogie)" data-language-autonym="Nederlands" data-language-local-name="neerlandês" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Geode" title="Geode — norueguês nynorsk" lang="nn" hreflang="nn" data-title="Geode" data-language-autonym="Norsk nynorsk" data-language-local-name="norueguês nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Geode" title="Geode — norueguês bokmål" lang="nb" hreflang="nb" data-title="Geode" data-language-autonym="Norsk bokmål" data-language-local-name="norueguês bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Geoda" title="Geoda — polaco" lang="pl" hreflang="pl" data-title="Geoda" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Geod%C4%83" title="Geodă — romeno" lang="ro" hreflang="ro" data-title="Geodă" data-language-autonym="Română" data-language-local-name="romeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%96%D0%B5%D0%BE%D0%B4%D0%B0" title="Жеода — russo" lang="ru" hreflang="ru" data-title="Жеода" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Geoda" title="Geoda — esloveno" lang="sl" hreflang="sl" data-title="Geoda" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Geod" title="Geod — sueco" lang="sv" hreflang="sv" data-title="Geod" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%88%E0%B8%B5%E0%B9%82%E0%B8%AD%E0%B8%94" title="จีโอด — tailandês" lang="th" hreflang="th" data-title="จีโอด" data-language-autonym="ไทย" data-language-local-name="tailandês" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Jeod" title="Jeod — turco" lang="tr" hreflang="tr" data-title="Jeod" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%96%D0%B5%D0%BE%D0%B4%D0%B0" title="Жеода — ucraniano" lang="uk" hreflang="uk" data-title="Жеода" data-language-autonym="Українська" data-language-local-name="ucraniano" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Jeoda" title="Jeoda — usbeque" lang="uz" hreflang="uz" data-title="Jeoda" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbeque" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Tinh_h%E1%BB%91c" title="Tinh hốc — vietnamita" lang="vi" hreflang="vi" data-title="Tinh hốc" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" 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/%E6%99%B6%E6%B4%9E" title="晶洞 — chinês" lang="zh" hreflang="zh" data-title="晶洞" data-language-autonym="中文" data-language-local-name="chinês" 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/Q677371#sitelinks-wikipedia" title="Editar hiperligações interlínguas" class="wbc-editpage">Editar hiperligações</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="Espaços nominais"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul 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lang="pt" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Geode_inside_outside.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Geode_inside_outside.jpg/220px-Geode_inside_outside.jpg" decoding="async" width="220" height="336" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Geode_inside_outside.jpg/330px-Geode_inside_outside.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Geode_inside_outside.jpg/440px-Geode_inside_outside.jpg 2x" data-file-width="1280" data-file-height="1956" /></a><figcaption>Geode preenchido com quartzo, mostrado de dentro (em cima) e fora (em baixo)</figcaption></figure> <p>Um <b>geode</b> ou <b>geodo</b> (em <a href="/wiki/L%C3%ADngua_grega_antiga" title="Língua grega antiga">grego clássico</a>: <span lang="el" class="politonico">γεώδης <i>(geṓdēs)</i> 'semelhante à terra'</span>) é uma formação <a href="/wiki/Geologia" title="Geologia">geológica</a> secundária dentro de <a href="/wiki/Rocha_sedimentar" title="Rocha sedimentar">rochas sedimentares</a> e <a href="/wiki/Rocha_vulc%C3%A2nica" title="Rocha vulcânica">vulcânicas</a>. Os geodos são <a href="/wiki/Rocha" title="Rocha">rochas</a> ocas, vagamente <a href="/wiki/Esfera" title="Esfera">esféricas</a>, nas quais massas de <a href="/wiki/Sais_minerais" title="Sais minerais">matéria mineral</a> (que podem incluir <a href="/wiki/Cristal" title="Cristal">cristais</a>) estão isoladas. Os cristais são formados pelo preenchimento de <a href="/wiki/Ves%C3%ADcula_(geologia)" title="Vesícula (geologia)">vesículas</a> em rochas vulcânicas e <a href="/wiki/Rocha_subvulc%C3%A2nica" title="Rocha subvulcânica">subvulcânicas</a> por <a href="/wiki/Mineral" title="Mineral">minerais</a> depositados a partir de <a href="/wiki/Fonte_hidrotermal" class="mw-redirect" title="Fonte hidrotermal">fluidos hidrotermais</a>; ou pelo <a href="/wiki/Dissolu%C3%A7%C3%A3o" title="Dissolução">dissolução</a> de concreções singenéticas e preenchimento parcial pelo mesmo ou outros minerais precipitados da <a href="/wiki/%C3%81gua" title="Água">água</a>, <a href="/wiki/%C3%81gua_subterr%C3%A2nea" title="Água subterrânea">águas subterrâneas</a> ou fluidos hidrotermais. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Formação"><span id="Forma.C3.A7.C3.A3o"></span>Formação</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=1" title="Editar secção: Formação" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=1" title="Editar código-fonte da secção: Formação"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os geodos podem se formar em qualquer cavidade, mas o termo geralmente é reservado para <a href="/wiki/Forma%C3%A7%C3%A3o_geol%C3%B3gica" title="Formação geológica">formações</a> mais ou menos arredondadas em <a href="/wiki/Rocha_%C3%ADgnea" title="Rocha ígnea">rochas ígneas</a> e sedimentares. Podem formar-se em bolhas de <a href="/wiki/G%C3%A1s" title="Gás">gás</a> em rochas ígneas, como vesículas em <a href="/wiki/Lava" title="Lava">lava</a> <a href="/wiki/Basalto" title="Basalto">basáltica</a> ; ou, como no <a href="/wiki/Regi%C3%A3o_Centro-Oeste_dos_Estados_Unidos" title="Região Centro-Oeste dos Estados Unidos">meio-oeste</a> <a href="/wiki/Povo_dos_Estados_Unidos" title="Povo dos Estados Unidos">americano</a>, em cavidades arredondadas em formações sedimentares. Depois que a rocha ao redor da cavidade endurece, os <a href="/wiki/Silicato_(mineralogia)" title="Silicato (mineralogia)">silicatos</a> e/ou <a href="/wiki/Carbonato" title="Carbonato">carbonatos</a> dissolvidos são depositados na superfície interna. Com o tempo, essa alimentação lenta de constituintes minerais de águas subterrâneas ou soluções hidrotermais permite que os cristais se formem dentro da câmara oca. O <a href="/wiki/Estrato_geol%C3%B3gico" title="Estrato geológico">leito rochoso</a> que contém geodos eventualmente sofre <a href="/wiki/Meteoriza%C3%A7%C3%A3o" title="Meteorização">intemperismo</a> e se decompõe, deixando-os presentes na superfície se forem compostos de material resistente, como o <a href="/wiki/Quartzo" title="Quartzo">quartzo</a>.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span>[</span>1<span>]</span></a></sup> </p><p>Em raros casos, os geodos podem apresentar água aprisionada em seu interior, recebendo então a denominação de <a href="/wiki/%C3%81gata_%C3%AAnidro" title="Ágata ênidro">geodo ênidro</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span>[</span>2<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Coloração"><span id="Colora.C3.A7.C3.A3o"></span>Coloração</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=2" title="Editar secção: Coloração" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=2" title="Editar código-fonte da secção: Coloração"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Chalcedon_Maroko_Sidi_Rahal.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Chalcedon_Maroko_Sidi_Rahal.JPG/300px-Chalcedon_Maroko_Sidi_Rahal.JPG" decoding="async" width="300" height="149" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Chalcedon_Maroko_Sidi_Rahal.JPG/450px-Chalcedon_Maroko_Sidi_Rahal.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/Chalcedon_Maroko_Sidi_Rahal.JPG/600px-Chalcedon_Maroko_Sidi_Rahal.JPG 2x" data-file-width="2600" data-file-height="1288" /></a><figcaption>Geodos de calcedônia avermelhada</figcaption></figure> <p>As bandas e a <a href="/wiki/Colora%C3%A7%C3%A3o" title="Coloração">coloração</a> do geodo são o resultado de <a href="/wiki/Impureza" title="Impureza">impurezas</a> variáveis. Os <a href="/wiki/%C3%93xido_de_ferro(II,III)" title="Óxido de ferro(II,III)">óxidos de ferro</a> conferem tons de <a href="/wiki/Ferrugem" title="Ferrugem">ferrugem</a> a <a href="/wiki/Solu%C3%A7%C3%A3o" title="Solução">soluções</a> siliciosas, como o quartzo manchado de <a href="/wiki/Ferro" title="Ferro">ferro</a> comumente observado. A maioria dos geodos contém cristais de quartzo claros, enquanto outros têm cristais de <a href="/wiki/Ametista" title="Ametista">ametista</a> <a href="/wiki/P%C3%BArpura" title="Púrpura">roxa</a>. Outros ainda podem ter bandas de <a href="/wiki/%C3%81gata" title="Ágata">ágata</a>, <a href="/wiki/Calced%C3%B4nia_(mineral)" title="Calcedônia (mineral)">calcedônia</a> ou <a href="/wiki/Jaspe" title="Jaspe">jaspe</a> ou cristais como <a href="/wiki/Calcita" title="Calcita">calcita</a>, <a href="/wiki/Dolomita" title="Dolomita">dolomita</a>, <a href="/wiki/Celestina" title="Celestina">celestita</a> etc. Não há uma maneira fácil de dizer o que o interior de um geodo contém até que seja aberto ou quebrado. No entanto, os geodos de uma determinada área geralmente são semelhantes na aparência. </p><p>Geodos e fatias de geodos às vezes são tingidos com cores artificiais.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span>[</span>3<span>]</span></a></sup> Amostras de geodos com cores incomuns ou formações altamente improváveis geralmente foram alteradas sinteticamente. </p> <div class="mw-heading mw-heading2"><h2 id="Ocorrência"><span id="Ocorr.C3.AAncia"></span>Ocorrência</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=3" title="Editar secção: Ocorrência" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=3" title="Editar código-fonte da secção: Ocorrência"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os geodos são encontrados onde a <a href="/wiki/Geologia" title="Geologia">geologia</a> é adequada, com muitos dos disponíveis <a href="/wiki/Com%C3%A9rcio" title="Comércio">comercialmente</a> vindos do <a href="/wiki/Brasil" title="Brasil">Brasil</a>, <a href="/wiki/Uruguai" title="Uruguai">Uruguai</a>, <a href="/wiki/Nam%C3%ADbia" title="Namíbia">Namíbia</a> e <a href="/wiki/M%C3%A9xico" title="México">México</a>.<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span>[</span>1<span>]</span></a></sup> Grandes geodos revestidos de ametista são uma característica dos basaltos das <a href="/wiki/Prov%C3%ADncia_magm%C3%A1tica_do_Paran%C3%A1-Etendeka" title="Província magmática do Paraná-Etendeka">armadilhas Paraná e Etendeka</a> encontradas no Brasil, Uruguai e Namíbia. Os geodos são comuns em algumas formações nos <a href="/wiki/Estados_Unidos" title="Estados Unidos">Estados Unidos</a> (principalmente em <a href="/wiki/Indiana" title="Indiana">Indiana</a>, <a href="/wiki/Iowa" title="Iowa">Iowa</a>, <a href="/wiki/Missouri" title="Missouri">Missouri</a>, oeste de <a href="/wiki/Illinois" title="Illinois">Illinois</a>, <a href="/wiki/Kentucky" title="Kentucky">Kentucky</a> e <a href="/wiki/Utah" title="Utah">Utah</a>). Em <a href="/wiki/%C3%93regon" title="Óregon">Oregon</a>, eles são chamados de <i><a href="/w/index.php?title=Thunderegg&action=edit&redlink=1" class="new" title="Thunderegg (página não existe)">thundereggs</a></i> (que normalmente são completamente preenchidos) e são o Oregon State Rock. Os geodos também são abundantes em <a href="/w/index.php?title=Mendip_Hills&action=edit&redlink=1" class="new" title="Mendip Hills (página não existe)">Mendip Hills</a> em <a href="/wiki/Somerset" title="Somerset">Somerset</a>, <a href="/wiki/Inglaterra" title="Inglaterra">Inglaterra</a>, onde são conhecidos localmente como "<i>potatoes stones</i>".<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span>[</span>4<span>]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Cavernas_de_cristal">Cavernas de cristal</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=4" title="Editar secção: Cavernas de cristal" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=4" title="Editar código-fonte da secção: Cavernas de cristal"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg/220px-Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg/330px-Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7a/Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg/440px-Amethyst_and_drusy_quartz_cathedrals_in_Crystal_Mountain_Museum.jpg 2x" data-file-width="4896" data-file-height="3264" /></a><figcaption>Ametista muito grande e geodos de quartzo regulares</figcaption></figure> <p>''Caverna de cristal' é um termo informal para qualquer grande geodo revestido de cristal e também usado para locais <a href="/wiki/Geopatrim%C3%B4nio" class="mw-redirect" title="Geopatrimônio">geopatrimoniais</a> específicos, como a <a href="/w/index.php?title=Caverna_de_Cristal_(Ohio)&action=edit&redlink=1" class="new" title="Caverna de Cristal (Ohio) (página não existe)">Caverna de Cristal de Ohio</a>, descoberta em 1887 na <a href="/w/index.php?title=Vin%C3%ADcola_Heineman&action=edit&redlink=1" class="new" title="Vinícola Heineman (página não existe)">Vinícola Heineman</a> em Put-In-Bay, <a href="/wiki/Ohio" title="Ohio">Ohio</a>, a <a href="/wiki/Caverna_dos_Cristais" title="Caverna dos Cristais">Caverna dos Cristais</a> do México, e o <a href="/w/index.php?title=Geodo_de_Pulpi&action=edit&redlink=1" class="new" title="Geodo de Pulpi (página não existe)">Geodo de Pulpi</a>, descoberto em 1999 na <a href="/wiki/Espanha" title="Espanha">Espanha</a>. Em 1999, um grupo de <a href="/wiki/Mineralogia" title="Mineralogia">mineralogistas</a> descobriu uma <a href="/wiki/Caverna" title="Caverna">caverna</a> cheia de cristais gigantes de <a href="/wiki/Selenita" title="Selenita">selenita</a> (<a href="/wiki/Gesso" title="Gesso">gesso</a>) em uma mina de prata abandonada, Mina Rica, perto de Pulpi, província de <a href="/wiki/Almeria_(prov%C3%ADncia)" title="Almeria (província)">Almeria</a>, Espanha..A cavidade, que media 8,0 por 1,8 por 1,7 metros (26,2 pés × 5,9 pés × 5,6 pés), era, na época, a maior caverna de cristal já encontrada. Após sua descoberta, a entrada da caverna foi bloqueada por cinco toneladas de rocha, com presença <a href="/wiki/Pol%C3%ADcia" title="Polícia">policial</a> adicional para evitar <a href="/wiki/Roubo" title="Roubo">saqueadores</a>. No verão de 2019, a caverna, um importante recurso de geoturismo e agora chamada de 'Geoda de Pulpi', foi inaugurada como <a href="/wiki/Atra%C3%A7%C3%A3o_tur%C3%ADstica" title="Atração turística">atração turística</a>, permitindo que pequenos grupos (máximo de doze pessoas) visitassem as cavernas com um <a href="/wiki/Guia_de_turismo" title="Guia de turismo">guia turístico</a>.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span>[</span>5<span>]</span></a></sup> </p> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink">↑ <sup><i><b><a href="#cite_ref-:0_1-0">a</a></b></i></sup> <sup><i><b><a href="#cite_ref-:0_1-1">b</a></b></i></sup></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://geology.com/articles/geodes/">«Geodes: The rocks with a crystal surprise inside!»</a>. <i>geology.com</i><span class="reference-accessdate">. Consultado em 30 de dezembro de 2017</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.atitle=Geodes%3A+The+rocks+with+a+crystal+surprise+inside%21&rft.genre=unknown&rft.jtitle=geology.com&rft_id=https%3A%2F%2Fgeology.com%2Farticles%2Fgeodes%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://snr.unl.edu/data/geologysoils/agates/agateslexicon.aspx?firstletter=E">«Agates Lexicon»</a>. <i>SCHOOL OF NATURAL RESOURCES</i>. 1975<span class="reference-accessdate">. Consultado em 26 de março de 2021</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.atitle=Agates+Lexicon&rft.date=1975&rft.genre=unknown&rft.jtitle=SCHOOL+OF+NATURAL+RESOURCES&rft_id=http%3A%2F%2Fsnr.unl.edu%2Fdata%2Fgeologysoils%2Fagates%2Fagateslexicon.aspx%3Ffirstletter%3DE&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://geology.com/articles/geodes/">«Geodes»</a>. geology.com</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Geodes&rft.genre=unknown&rft.pub=geology.com&rft_id=https%3A%2F%2Fgeology.com%2Farticles%2Fgeodes%2F&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.dulcote.com/the-quarries.html">«The Quarries»</a>. <i>Dulcote, Somerset</i><span class="reference-accessdate">. Consultado em 30 de dezembro de 2017</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.atitle=The+Quarries&rft.genre=unknown&rft.jtitle=Dulcote%2C+Somerset&rft_id=http%3A%2F%2Fwww.dulcote.com%2Fthe-quarries.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.geodapulpi.es/Servicios/cmsdipro/index.nsf/informacion.xsp?p=Geoda&documentId=6964084B70F2F7E5C1258432003E19F5">«Geoda de Pulpi»</a><span class="reference-accessdate">. Consultado em 1 de setembro de 2022</span></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Geoda+de+Pulpi&rft.genre=unknown&rft_id=https%3A%2F%2Fwww.geodapulpi.es%2FServicios%2Fcmsdipro%2Findex.nsf%2Finformacion.xsp%3Fp%3DGeoda%26documentId%3D6964084B70F2F7E5C1258432003E19F5&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Bibliografia">Bibliografia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=5" title="Editar secção: Bibliografia" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=5" title="Editar código-fonte da secção: Bibliografia"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Pough, Fredrick H. <i>Rocks and Minerals</i>, <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Especial:Fontes_de_livros/0-395-91096-X" title="Especial:Fontes de livros/0-395-91096-X">0-395-91096-X</a></li> <li>Middleton, Gerard V. (2003). <i>Encyclopedia of Sediments and Sedimentary Rocks</i>. Springer, <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Especial:Fontes_de_livros/978-1-4020-0872-6" title="Especial:Fontes de livros/978-1-4020-0872-6">978-1-4020-0872-6</a>, p. 221 (<i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=r_2Ia8wOBlgC&pg=PA221">restricted online copy</a></i>, p. 221, no <a href="/wiki/Google_Livros" title="Google Livros">Google Livros</a>)</li> <li>Keller, Walter David (1961). <i>The Common Rocks and Minerals of Missouri</i>. University of Missouri Press, <a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Especial:Fontes_de_livros/978-0-8262-0585-8" title="Especial:Fontes de livros/978-0-8262-0585-8">978-0-8262-0585-8</a>, S. 67 (<i><a rel="nofollow" class="external text" href="https://books.google.com/books?id=haCztne87E4C&pg=PA67">restricted online copy</a></i>, p. 67, no <a href="/wiki/Google_Livros" title="Google Livros">Google Livros</a>)</li> <li>Witzke, Brian J. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20100202195106/http://www.igsb.uiowa.edu/browse/geodes/geodes.htm"><i>Geodes: A Look at Iowa's State Rock</i></a>. Iowa Geological Survey</li> <li><cite class="citation web"><a rel="nofollow" class="external text" href="https://www.uky.edu/KGS/rocksmineral/rm-rocks-geodes.php">«<i>Geodes</i>»</a>. Kentucky Geological Survey (University of Kentucky)</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Geodes&rft.genre=unknown&rft_id=https%3A%2F%2Fwww.uky.edu%2FKGS%2Frocksmineral%2Frm-rocks-geodes.php&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Ligações_externas"><span id="Liga.C3.A7.C3.B5es_externas"></span>Ligações externas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Geode&veaction=edit&section=6" title="Editar secção: Ligações externas" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Geode&action=edit&section=6" title="Editar código-fonte da secção: Ligações externas"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="noprint" style="clear: right; border: solid #aaa 1px; margin: 0 0 1em 1em; font-size: 90%; background: var(--background-color-neutral-subtle, #f9f9f9); color: inherit; width: 238px; padding: 5px; spacing: 0px; text-align: center; float: right;"> <div style="float: left; vertical-align:middle;"><figure class="mw-halign-none" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/22px-Commons-logo.svg.png" decoding="async" width="22" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/33px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/44px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span><figcaption></figcaption></figure></div> <div style="margin-left: 30px; line-height:normal; vertical-align:middle;">O <a href="https://commons.wikimedia.org/wiki/P%C3%A1gina_principal" class="extiw" title="commons:Página principal">Commons</a> possui uma <i>categoria</i> com imagens e outros ficheiros sobre <b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Geodes?uselang=pt">Geode</a></span></b></div> </div> <ul><li><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.americangeode.com">«Indiana geode specimens, facts and stories»</a></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Indiana+geode+specimens%2C+facts+and+stories&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.americangeode.com&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.americangeode.com/cracking.php">«Video of a geode cracking using industrial soil pipe cutter»</a></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Video+of+a+geode+cracking+using+industrial+soil+pipe+cutter&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.americangeode.com%2Fcracking.php&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation web"><a rel="nofollow" class="external text" href="http://www.amonline.net.au/factsheets/geodes.htm">«Australian Museum Fact sheet»</a></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Australian+Museum+Fact+sheet&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.amonline.net.au%2Ffactsheets%2Fgeodes.htm&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20060430070906/http://geology.utah.gov/utahgeo/rockmineral/collecting/rkhd0500.htm">«Utah Geode Beds»</a></cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.btitle=Utah+Geode+Beds&rft.genre=unknown&rft_id=https%3A%2F%2Fweb.archive.org%2Fweb%2F20060430070906%2Fhttp%3A%2F%2Fgeology.utah.gov%2Futahgeo%2Frockmineral%2Fcollecting%2Frkhd0500.htm&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></li> <li><cite class="citation news">Illinois State Geological Survey. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070927100407/http://www.isgs.uiuc.edu/maps-data-pub/publications/geobits/pdf-files/geobit3.pdf">«Geodes – Small Treasure Vaults in Illinois»</a> <span style="font-size:85%;">(PDF)</span>. Arquivado do <a rel="nofollow" class="external text" href="http://www.isgs.uiuc.edu/maps-data-pub/publications/geobits/pdf-files/geobit3.pdf">original</a> <span style="font-size:85%;">(PDF)</span> em 27 de setembro de 2007</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fpt.wikipedia.org%3AGeode&rft.atitle=Geodes+%93+Small+Treasure+Vaults+in+Illinois&rft.au=Illinois+State+Geological+Survey&rft.genre=article&rft_id=http%3A%2F%2Fwww.isgs.uiuc.edu%2Fmaps-data-pub%2Fpublications%2Fgeobits%2Fpdf-files%2Fgeobit3.pdf&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></li></ul> <ul class="noprint navigation-box" style="border-top: solid silver 1px; border-right: solid silver 1px; border-bottom:1px solid silver; border-left: solid silver 1px; padding:3px; background-color: #F9F9F9; text-align: center; margin-top:10px; margin-left: 0; clear: both;"><li style="display: inline;"><span style="white-space: nowrap; margin: auto 1.5em"><span style="margin-right: 0.5em"><span typeof="mw:File"><a href="/wiki/Ficheiro:Gondwana.jpg" title="Portal da geologia"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/69/Gondwana.jpg/25px-Gondwana.jpg" decoding="async" width="25" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/69/Gondwana.jpg/38px-Gondwana.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/69/Gondwana.jpg/50px-Gondwana.jpg 2x" data-file-width="291" data-file-height="236" /></a></span></span> <span style="font-weight:bold"><a href="/wiki/Portal:Geologia" title="Portal:Geologia">Portal da geologia</a></span></span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtida de "<a dir="ltr" href="https://pt.wikipedia.org/w/index.php?title=Geode&oldid=67913194">https://pt.wikipedia.org/w/index.php?title=Geode&oldid=67913194</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categorias</a>: <ul><li><a href="/wiki/Categoria:Petrologia" title="Categoria:Petrologia">Petrologia</a></li><li><a href="/wiki/Categoria:Mineralogia" title="Categoria:Mineralogia">Mineralogia</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Esta página foi editada pela última vez às 21h37min de 8 de maio de 2024.</li> <li id="footer-info-copyright">Este texto é disponibilizado nos termos da licença <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt">Atribuição-CompartilhaIgual 4.0 Internacional (CC BY-SA 4.0) da Creative Commons</a>; pode estar sujeito a condições adicionais. 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