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<a href="http://dbpedia.org">dbpedia.org</a> </div> </div> </div> <div class="row pt-2"> <div class="col-xs-9 col-sm-10"> Brookite is the orthorhombic variant of titanium dioxide (TiO2), which occurs in four known natural polymorphic forms (minerals with the same composition but different structure). The other three of these forms are akaogiite (monoclinic), anatase (tetragonal) and rutile (tetragonal). Brookite is rare compared to anatase and rutile and, like these forms, it exhibits photocatalytic activity. Brookite also has a larger cell volume than either anatase or rutile, with 8 TiO2 groups per unit cell, compared with 4 for anatase and 2 for rutile. Iron (Fe), tantalum (Ta) and niobium (Nb) are common impurities in brookite. </div> <div class="col-xs-3 col-sm-2"> <a href="#" class="thumbnail"> <img src="http://commons.wikimedia.org/wiki/Special:FilePath/Brookite-gem7-07a.jpg?width=300" alt="thumbnail" class="img-fluid" /> </a> </div> </div> </div> </section>   <section> <div class="container-xl"> <div class="row"> <div class="table-responsive"> <table class="table table-hover table-sm table-light"> <thead> <tr> <th class="col-xs-3 ">Property</th> <th class="col-xs-9 px-3">Value</th> </tr> </thead> <tbody> <tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/ontology/abstract">dbo:abstract</a> </td><td class="col-10 text-break"><ul> <li style="display:none;">La brookita és un mineral de la classe dels òxids. Va ser descoberta per A. Levy el 1925 en una zona situada entre Beddegelet i Tremadoc, a uns 13 quilòmetres de Snowden, al País de Gal·les, Regne Unit, rebent el seu nom en honor del mineralogista anglès Henry Brooke (1771-1857). Es tracta d'una de les cinc formes minerals del diòxid de titani, juntament amb l'anatasa, el rútil, l'akaogiita i una cinquena espècie encara no aprovada per la IMA. La bellesa d'alguns dels cristalls d'aquest mineral, especialment els que pertanyen a la varietat arkansita, ha fet d'ell un objecte molt valorat pels col·leccionistes. (ca)</li> <li style="display:none;">Brookit (Lévy, 1825), chemický vzorec TiO2 (oxid titaničitý), je kosočtverečný minerál. Je to jedna ze tří v přírodě se vyskytujících modifikací oxidu titaničitého. Další dvě jsou: anatas a rutil.Pojmenován podle: Henry James Brooke (1771–1857), anglický krystalograf a mineralog. (cs)</li> <li style="display:none;">البروكيت هو واحد من ثلاثة أشكال معدنية يوجد عليها ثنائي أكسيد التيتانيوم بالإضافة إلى الشكلين الآخرين وهما أناتاز وروتيل. يتبلور البروكيت وفق النظام البلوري المعيني القائم، وهو نادر الوجود بالمقارنة مع الروتيل والأناتاز، لكنه مثلهما لديه خاصية التحفيز الضوئي. (ar)</li> <li style="display:none;">Ο μπρουκίτης (αγγλ. brookite) είναι ορυκτό οξείδιο του τιτανίου. Οφείλει το όνομά του στον Άγγλο κρυσταλλογράφο και ορυκτολόγο Χένρι Τζέιμς Μπρουκ (Henry James Brooke, 1771–1857). (el)</li> <li>Brookite is the orthorhombic variant of titanium dioxide (TiO2), which occurs in four known natural polymorphic forms (minerals with the same composition but different structure). The other three of these forms are akaogiite (monoclinic), anatase (tetragonal) and rutile (tetragonal). Brookite is rare compared to anatase and rutile and, like these forms, it exhibits photocatalytic activity. Brookite also has a larger cell volume than either anatase or rutile, with 8 TiO2 groups per unit cell, compared with 4 for anatase and 2 for rutile. Iron (Fe), tantalum (Ta) and niobium (Nb) are common impurities in brookite. Brookite was named in 1825 by French mineralogist Armand Lévy for Henry James Brooke (1771–1857), an English crystallographer, mineralogist and wool trader. Arkansite is a variety of brookite from Magnet Cove, Arkansas, US. It is also found in the Murun Massif on the Olyokma-Chara Plateau of Eastern Siberia, Russia, part of the Aldan Shield. At temperatures above about 750 °C, brookite will revert to the rutile structure. (en)</li> <li style="display:none;">Brookit ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Oxide und Hydroxide“ mit der chemischen Zusammensetzung TiO2 und ist damit chemisch gesehen ein Titan(IV)-oxid. Brookit kristallisiert im orthorhombischen Kristallsystem und entwickelt prismatische oder tafelige Kristalle, oft auch in Form einer Doppelpyramide, in verschiedenen Brauntönen. (de)</li> <li style="display:none;">Brookita oxido motako minerala da. (eu)</li> <li style="display:none;">La brookite est une espèce minérale formée d’oxyde de titane de formule TiO2 avec des traces : fer, tantale, niobium. Les cristaux sont typiquement tabulaires, allongés et striés, pouvant atteindre 12 cm.Elle possède la même composition chimique que la rutile et l'anatase mais cristallise dans le système orthorhombique. (fr)</li> <li style="display:none;">La brookita es un mineral con fórmula química TiO2. Pertenece al grupo de los óxidos, cristaliza en sistema ortorrómbico, tiene una dureza de 5,5-6 en la escala de Mohs, fractura , exfoliación débil, brillo adamantino y raya blanca, gris, o amarillenta. Se trata de una de las tres formas minerales del dióxido de titanio, junto con la anatasa y el rutilo. La belleza de algunos de los cristales de este mineral, especialmente los que pertenecen a la variedad , ha hecho de él un objeto muy valorado por los coleccionistas. (es)</li> <li style="display:none;">La Brookite è un minerale formato da biossido di titanio. (it)</li> <li style="display:none;">板チタン石（いたチタンせき、brookite）は、鉱物（酸化鉱物）の一種。ブルカイトあるいはブルッカイトともいう。名前はイギリスの結晶学者 Henry James Brooke にちなむ。 (ja)</li> <li style="display:none;">Het mineraal brookiet is een titanium-oxide met de chemische formule TiO2. (nl)</li> <li style="display:none;">Brookit (brukit) – minerał z gromady tlenków. Nazwa pochodzi od nazwiska angielskiego mineraloga i krystalografa (1771-1857). (pl)</li> <li style="display:none;">Brookit är ett naturligt förekommande mineral av titandioxid formeln:TiO2, samma formel som mineralerna anatas och rutil men med annorlunda symmetri än dessa. Detta gör brookit till en polymorf av titandioxid. Brookit förekommer ofta som tunna plattor, mer sällsynt som pyramidala eller pseudohexagonala kristaller. Färgen är röd- eller gulbrun, mörkt brun eller svart. Brookit förekommer i naturen i sprickor och gångar, vissa magmatiska eller metamorfa bergarter samt i sediment som mineral. (sv)</li> <li style="display:none;">A Brookita é um mineral constituido de óxido de titânio, TiO2, sendo idêntico ao rutilo e anatase em termos de sua composição química, porém cristaliza no sistema ortorrômbico. O mineral foi nomeado por , mineralogista inglês (1771 – 1857). (pt)</li> <li style="display:none;">Брукі́т — мінерал класу оксидів та гідроксидів, одна з трьох природних поліморфних модифікацій рутилу. Діоксид титану ланцюжкової будови. (uk)</li> <li style="display:none;">Брукит — минерал, диоксид титана. Брукит по химическому составу идентичен рутилу и анатазу. Содержит 59,94% титана и 40,06% кислорода. При температуре 750 °C переходит в рутил. Минерал был назван в честь Генри Джеймса Брука (1771—1857), английского минералога. 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resource="http://dbpedia.org/resource/List_of_minerals_recognized_by_the_International_Mineralogical_Association" href="http://dbpedia.org/resource/List_of_minerals_recognized_by_the_International_Mineralogical_Association">dbr:List_of_minerals_recognized_by_the_International_Mineralogical_Association</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Photocatalysis" href="http://dbpedia.org/resource/Photocatalysis">dbr:Photocatalysis</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Tetragonal_crystal_system" href="http://dbpedia.org/resource/Tetragonal_crystal_system">dbr:Tetragonal_crystal_system</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Anatase" href="http://dbpedia.org/resource/Anatase">dbr:Anatase</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Crystal_structure" href="http://dbpedia.org/resource/Crystal_structure">dbr:Crystal_structure</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Crystal_twinning" href="http://dbpedia.org/resource/Crystal_twinning">dbr:Crystal_twinning</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Crystallographic_point_group" href="http://dbpedia.org/resource/Crystallographic_point_group">dbr:Crystallographic_point_group</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Orthorhombic_crystal_system" href="http://dbpedia.org/resource/Orthorhombic_crystal_system">dbr:Orthorhombic_crystal_system</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Orthoclase" href="http://dbpedia.org/resource/Orthoclase">dbr:Orthoclase</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Refractive_Index" href="http://dbpedia.org/resource/Refractive_Index">dbr:Refractive_Index</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Armand_Lévy_(mineralogist)" href="http://dbpedia.org/resource/Armand_Lévy_(mineralogist)">dbr:Armand_Lévy_(mineralogist)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Magnet_Cove,_Arkansas" href="http://dbpedia.org/resource/Magnet_Cove,_Arkansas">dbr:Magnet_Cove,_Arkansas</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Siberia" href="http://dbpedia.org/resource/Siberia">dbr:Siberia</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Cleavage_(crystal)" href="http://dbpedia.org/resource/Cleavage_(crystal)">dbr:Cleavage_(crystal)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Polymorphism_(materials_science)" href="http://dbpedia.org/resource/Polymorphism_(materials_science)">dbr:Polymorphism_(materials_science)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Striation_(geology)" href="http://dbpedia.org/resource/Striation_(geology)">dbr:Striation_(geology)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Orthorhombic_minerals" href="http://dbpedia.org/resource/Category:Orthorhombic_minerals">dbc:Orthorhombic_minerals</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Titanium" href="http://dbpedia.org/resource/Titanium">dbr:Titanium</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Titanium_dioxide" href="http://dbpedia.org/resource/Titanium_dioxide">dbr:Titanium_dioxide</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Wales" href="http://dbpedia.org/resource/Wales">dbr:Wales</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Ion" href="http://dbpedia.org/resource/Ion">dbr:Ion</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Rutile" href="http://dbpedia.org/resource/Rutile">dbr:Rutile</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Schist" href="http://dbpedia.org/resource/Schist">dbr:Schist</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Almandine" href="http://dbpedia.org/resource/Almandine">dbr:Almandine</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Akaogiite" href="http://dbpedia.org/resource/Akaogiite">dbr:Akaogiite</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Feldspar" href="http://dbpedia.org/resource/Feldspar">dbr:Feldspar</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Fluorescence" href="http://dbpedia.org/resource/Fluorescence">dbr:Fluorescence</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Balochistan" href="http://dbpedia.org/resource/Balochistan">dbr:Balochistan</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Brittleness" href="http://dbpedia.org/resource/Brittleness">dbr:Brittleness</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Niobium" href="http://dbpedia.org/resource/Niobium">dbr:Niobium</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Oxide_minerals" href="http://dbpedia.org/resource/Oxide_minerals">dbr:Oxide_minerals</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Oxygen" href="http://dbpedia.org/resource/Oxygen">dbr:Oxygen</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Fracture_(mineralogy)" href="http://dbpedia.org/resource/Fracture_(mineralogy)">dbr:Fracture_(mineralogy)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Gneiss" href="http://dbpedia.org/resource/Gneiss">dbr:Gneiss</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Epitaxial" href="http://dbpedia.org/resource/Epitaxial">dbr:Epitaxial</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Tantalum" href="http://dbpedia.org/resource/Tantalum">dbr:Tantalum</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Gwynedd" href="http://dbpedia.org/resource/Gwynedd">dbr:Gwynedd</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Hematite" href="http://dbpedia.org/resource/Hematite">dbr:Hematite</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Hexagon" href="http://dbpedia.org/resource/Hexagon">dbr:Hexagon</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Iron" href="http://dbpedia.org/resource/Iron">dbr:Iron</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Oxide_minerals" href="http://dbpedia.org/resource/Category:Oxide_minerals">dbc:Oxide_minerals</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Titanium_minerals" href="http://dbpedia.org/resource/Category:Titanium_minerals">dbc:Titanium_minerals</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Chemical_formula" href="http://dbpedia.org/resource/Chemical_formula">dbr:Chemical_formula</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Chlorite_group" href="http://dbpedia.org/resource/Chlorite_group">dbr:Chlorite_group</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Aldan_Shield" href="http://dbpedia.org/resource/Aldan_Shield">dbr:Aldan_Shield</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Kharan_District" href="http://dbpedia.org/resource/Kharan_District">dbr:Kharan_District</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Henry_James_Brooke" href="http://dbpedia.org/resource/Henry_James_Brooke">dbr:Henry_James_Brooke</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Diamond" href="http://dbpedia.org/resource/Diamond">dbr:Diamond</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Polymorphism_(materials_science)" href="http://dbpedia.org/resource/Category:Polymorphism_(materials_science)">dbc:Polymorphism_(materials_science)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Category:Minerals_in_space_group_61" href="http://dbpedia.org/resource/Category:Minerals_in_space_group_61">dbc:Minerals_in_space_group_61</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Space_group" href="http://dbpedia.org/resource/Space_group">dbr:Space_group</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Specific_gravity" href="http://dbpedia.org/resource/Specific_gravity">dbr:Specific_gravity</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Octahedron" href="http://dbpedia.org/resource/Octahedron">dbr:Octahedron</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Olyokma-Chara_Plateau" href="http://dbpedia.org/resource/Olyokma-Chara_Plateau">dbr:Olyokma-Chara_Plateau</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Radioactive_decay" href="http://dbpedia.org/resource/Radioactive_decay">dbr:Radioactive_decay</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Lustre_(mineralogy)" href="http://dbpedia.org/resource/Lustre_(mineralogy)">dbr:Lustre_(mineralogy)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Type_locality_(geology)" href="http://dbpedia.org/resource/Type_locality_(geology)">dbr:Type_locality_(geology)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Vein_(geology)" href="http://dbpedia.org/resource/Vein_(geology)">dbr:Vein_(geology)</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Titanite" href="http://dbpedia.org/resource/Titanite">dbr:Titanite</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Pleochroism" href="http://dbpedia.org/resource/Pleochroism">dbr:Pleochroism</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/H-M_symbol" href="http://dbpedia.org/resource/H-M_symbol">dbr:H-M_symbol</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Orthorhombic" href="http://dbpedia.org/resource/Orthorhombic">dbr:Orthorhombic</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/Mohs_hardness" href="http://dbpedia.org/resource/Mohs_hardness">dbr:Mohs_hardness</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/File:Brookit,_Pakistan.jpg" href="http://dbpedia.org/resource/File:Brookit,_Pakistan.jpg">dbr:File:Brookit,_Pakistan.jpg</a></li> <li><a class="uri" rel="dbo:wikiPageWikiLink" resource="http://dbpedia.org/resource/File:Brookite.png" href="http://dbpedia.org/resource/File:Brookite.png">dbr:File:Brookite.png</a></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/2v">dbp:2v</a> </td><td class="col-10 text-break"><ul> <li>Calculated: 12° to 20° (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/birefringence">dbp:birefringence</a> </td><td class="col-10 text-break"><ul> <li>δ = 0.117 (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/caption">dbp:caption</a> </td><td class="col-10 text-break"><ul> <li>Brookite from Balochistan (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/category">dbp:category</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbp:category" resource="http://dbpedia.org/resource/Oxide_minerals" href="http://dbpedia.org/resource/Oxide_minerals">dbr:Oxide_minerals</a></li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/class">dbp:class</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbp:class" resource="http://dbpedia.org/resource/H-M_symbol" href="http://dbpedia.org/resource/H-M_symbol">dbr:H-M_symbol</a></li> <li>Dipyramidal (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/cleavage">dbp:cleavage</a> </td><td class="col-10 text-break"><ul> <li>Poor on {120}, in traces on {001} (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/color">dbp:color</a> </td><td class="col-10 text-break"><ul> <li>Deep red, reddish brown, yellowish brown, brown, or black (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/dana">dbp:dana</a> </td><td class="col-10 text-break"><ul> <li>4.400000 (xsd:double)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/diaphaneity">dbp:diaphaneity</a> </td><td class="col-10 text-break"><ul> <li>Opaque to translucent (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/dispersion">dbp:dispersion</a> </td><td class="col-10 text-break"><ul> <li>0.131000 (xsd:double)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/fluorescence">dbp:fluorescence</a> </td><td class="col-10 text-break"><ul> <li>Non-fluorescent (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/formula">dbp:formula</a> </td><td class="col-10 text-break"><ul> <li>TiO2 (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/fracture">dbp:fracture</a> </td><td class="col-10 text-break"><ul> <li>Subconchoidal to irregular (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/gravity">dbp:gravity</a> </td><td class="col-10 text-break"><ul> <li>4.080000 (xsd:double)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/habit">dbp:habit</a> </td><td class="col-10 text-break"><ul> <li>Tabular and striated, pyramidal or pseudohexagonal (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/imagesize">dbp:imagesize</a> </td><td class="col-10 text-break"><ul> <li>260 (xsd:integer)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/luster">dbp:luster</a> </td><td class="col-10 text-break"><ul> <li>Submetallic (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/mohs">dbp:mohs</a> </td><td class="col-10 text-break"><ul> <li>to 6 (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/molweight">dbp:molweight</a> </td><td class="col-10 text-break"><ul> <li>79.880000 (xsd:double)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/name">dbp:name</a> </td><td class="col-10 text-break"><ul> <li>Brookite (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/opticalprop">dbp:opticalprop</a> </td><td class="col-10 text-break"><ul> <li>Biaxial (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/pleochroism">dbp:pleochroism</a> </td><td class="col-10 text-break"><ul> <li>Very weak, yellowish, reddish, orange to brown (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/refractive">dbp:refractive</a> </td><td class="col-10 text-break"><ul> <li>nα = 2.583 nβ = 2.584 nγ = 2.700 (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/streak">dbp:streak</a> </td><td class="col-10 text-break"><ul> <li>White, greyish or yellowish (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/strunz">dbp:strunz</a> </td><td class="col-10 text-break"><ul> <li>4 (xsd:integer)</li> <li>(4/D.15-10 ) (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/symmetry">dbp:symmetry</a> </td><td class="col-10 text-break"><ul> <li>Pbca (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/system">dbp:system</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbp:system" resource="http://dbpedia.org/resource/Orthorhombic" href="http://dbpedia.org/resource/Orthorhombic">dbr:Orthorhombic</a></li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/tenacity">dbp:tenacity</a> </td><td class="col-10 text-break"><ul> <li>Brittle (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/twinning">dbp:twinning</a> </td><td class="col-10 text-break"><ul> <li>On {120}, uncertain (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/unitCell">dbp:unitCell</a> </td><td class="col-10 text-break"><ul> <li>a = 5.4558 Å, (en)</li> <li>b = 9.1819 Å, (en)</li> <li>c = 5.1429 Å; Z = 8 (en)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://dbpedia.org/property/wikiPageUsesTemplate">dbp:wikiPageUsesTemplate</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Commons_category" href="http://dbpedia.org/resource/Template:Commons_category">dbt:Commons_category</a></li> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Frac" href="http://dbpedia.org/resource/Template:Frac">dbt:Frac</a></li> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Reflist" href="http://dbpedia.org/resource/Template:Reflist">dbt:Reflist</a></li> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Wikisource1911Enc" href="http://dbpedia.org/resource/Template:Wikisource1911Enc">dbt:Wikisource1911Enc</a></li> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" resource="http://dbpedia.org/resource/Template:Infobox_mineral" href="http://dbpedia.org/resource/Template:Infobox_mineral">dbt:Infobox_mineral</a></li> <li><a class="uri" rel="dbp:wikiPageUsesTemplate" 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Va ser descoberta per A. Levy el 1925 en una zona situada entre Beddegelet i Tremadoc, a uns 13 quilòmetres de Snowden, al País de Gal·les, Regne Unit, rebent el seu nom en honor del mineralogista anglès Henry Brooke (1771-1857). Es tracta d'una de les cinc formes minerals del diòxid de titani, juntament amb l'anatasa, el rútil, l'akaogiita i una cinquena espècie encara no aprovada per la IMA. La bellesa d'alguns dels cristalls d'aquest mineral, especialment els que pertanyen a la varietat arkansita, ha fet d'ell un objecte molt valorat pels col·leccionistes. (ca)</li> <li style="display:none;">Brookit (Lévy, 1825), chemický vzorec TiO2 (oxid titaničitý), je kosočtverečný minerál. Je to jedna ze tří v přírodě se vyskytujících modifikací oxidu titaničitého. Další dvě jsou: anatas a rutil.Pojmenován podle: Henry James Brooke (1771–1857), anglický krystalograf a mineralog. (cs)</li> <li style="display:none;">البروكيت هو واحد من ثلاثة أشكال معدنية يوجد عليها ثنائي أكسيد التيتانيوم بالإضافة إلى الشكلين الآخرين وهما أناتاز وروتيل. يتبلور البروكيت وفق النظام البلوري المعيني القائم، وهو نادر الوجود بالمقارنة مع الروتيل والأناتاز، لكنه مثلهما لديه خاصية التحفيز الضوئي. (ar)</li> <li style="display:none;">Ο μπρουκίτης (αγγλ. brookite) είναι ορυκτό οξείδιο του τιτανίου. Οφείλει το όνομά του στον Άγγλο κρυσταλλογράφο και ορυκτολόγο Χένρι Τζέιμς Μπρουκ (Henry James Brooke, 1771–1857). (el)</li> <li style="display:none;">Brookit ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Oxide und Hydroxide“ mit der chemischen Zusammensetzung TiO2 und ist damit chemisch gesehen ein Titan(IV)-oxid. Brookit kristallisiert im orthorhombischen Kristallsystem und entwickelt prismatische oder tafelige Kristalle, oft auch in Form einer Doppelpyramide, in verschiedenen Brauntönen. (de)</li> <li style="display:none;">Brookita oxido motako minerala da. (eu)</li> <li style="display:none;">La brookite est une espèce minérale formée d’oxyde de titane de formule TiO2 avec des traces : fer, tantale, niobium. Les cristaux sont typiquement tabulaires, allongés et striés, pouvant atteindre 12 cm.Elle possède la même composition chimique que la rutile et l'anatase mais cristallise dans le système orthorhombique. (fr)</li> <li style="display:none;">La brookita es un mineral con fórmula química TiO2. Pertenece al grupo de los óxidos, cristaliza en sistema ortorrómbico, tiene una dureza de 5,5-6 en la escala de Mohs, fractura , exfoliación débil, brillo adamantino y raya blanca, gris, o amarillenta. Se trata de una de las tres formas minerales del dióxido de titanio, junto con la anatasa y el rutilo. La belleza de algunos de los cristales de este mineral, especialmente los que pertenecen a la variedad , ha hecho de él un objeto muy valorado por los coleccionistas. (es)</li> <li style="display:none;">La Brookite è un minerale formato da biossido di titanio. (it)</li> <li style="display:none;">板チタン石（いたチタンせき、brookite）は、鉱物（酸化鉱物）の一種。ブルカイトあるいはブルッカイトともいう。名前はイギリスの結晶学者 Henry James Brooke にちなむ。 (ja)</li> <li style="display:none;">Het mineraal brookiet is een titanium-oxide met de chemische formule TiO2. (nl)</li> <li style="display:none;">Brookit (brukit) – minerał z gromady tlenków. Nazwa pochodzi od nazwiska angielskiego mineraloga i krystalografa (1771-1857). (pl)</li> <li style="display:none;">Brookit är ett naturligt förekommande mineral av titandioxid formeln:TiO2, samma formel som mineralerna anatas och rutil men med annorlunda symmetri än dessa. Detta gör brookit till en polymorf av titandioxid. Brookit förekommer ofta som tunna plattor, mer sällsynt som pyramidala eller pseudohexagonala kristaller. Färgen är röd- eller gulbrun, mörkt brun eller svart. Brookit förekommer i naturen i sprickor och gångar, vissa magmatiska eller metamorfa bergarter samt i sediment som mineral. (sv)</li> <li style="display:none;">A Brookita é um mineral constituido de óxido de titânio, TiO2, sendo idêntico ao rutilo e anatase em termos de sua composição química, porém cristaliza no sistema ortorrômbico. O mineral foi nomeado por , mineralogista inglês (1771 – 1857). (pt)</li> <li style="display:none;">Брукі́т — мінерал класу оксидів та гідроксидів, одна з трьох природних поліморфних модифікацій рутилу. Діоксид титану ланцюжкової будови. (uk)</li> <li style="display:none;">Брукит — минерал, диоксид титана. Брукит по химическому составу идентичен рутилу и анатазу. Содержит 59,94% титана и 40,06% кислорода. При температуре 750 °C переходит в рутил. Минерал был назван в честь Генри Джеймса Брука (1771—1857), английского минералога. (ru)</li> <li>Brookite is the orthorhombic variant of titanium dioxide (TiO2), which occurs in four known natural polymorphic forms (minerals with the same composition but different structure). The other three of these forms are akaogiite (monoclinic), anatase (tetragonal) and rutile (tetragonal). Brookite is rare compared to anatase and rutile and, like these forms, it exhibits photocatalytic activity. Brookite also has a larger cell volume than either anatase or rutile, with 8 TiO2 groups per unit cell, compared with 4 for anatase and 2 for rutile. Iron (Fe), tantalum (Ta) and niobium (Nb) are common impurities in brookite. (en)</li> </ul></td></tr><tr class="odd"><td class="col-2"><a class="uri" href="http://www.w3.org/2000/01/rdf-schema#label">rdfs:label</a> </td><td class="col-10 text-break"><ul> <li>Brookite (en)</li> <li style="display:none;">بروكيت (ar)</li> <li style="display:none;">Brookita (ca)</li> <li style="display:none;">Brookit (cs)</li> <li style="display:none;">Brookit (de)</li> <li style="display:none;">Βρουκίτης (el)</li> <li style="display:none;">Brookita (es)</li> <li style="display:none;">Brookita (eu)</li> <li style="display:none;">Brookite (fr)</li> <li style="display:none;">Brookite (it)</li> <li style="display:none;">板チタン石 (ja)</li> <li style="display:none;">Brookiet (nl)</li> <li style="display:none;">Brookit (pl)</li> <li style="display:none;">Брукит (ru)</li> <li style="display:none;">Brookita (pt)</li> <li style="display:none;">Brookit (sv)</li> <li style="display:none;">Брукіт (uk)</li> </ul></td></tr><tr class="even"><td class="col-2"><a class="uri" href="http://www.w3.org/2002/07/owl#sameAs">owl:sameAs</a> </td><td class="col-10 text-break"><ul> <li><a class="uri" rel="owl:sameAs" resource="http://rdf.freebase.com/ns/m.0195jv" href="http://rdf.freebase.com/ns/m.0195jv">freebase:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://yago-knowledge.org/resource/Brookite" href="http://yago-knowledge.org/resource/Brookite">yago-res:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://www.wikidata.org/entity/Q410609" href="http://www.wikidata.org/entity/Q410609">wikidata:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://ar.dbpedia.org/resource/بروكيت" href="http://ar.dbpedia.org/resource/بروكيت">dbpedia-ar:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://az.dbpedia.org/resource/Brukit" href="http://az.dbpedia.org/resource/Brukit">dbpedia-az:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://be.dbpedia.org/resource/Брукіт" 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href="http://it.dbpedia.org/resource/Brookite">dbpedia-it:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://ja.dbpedia.org/resource/板チタン石" href="http://ja.dbpedia.org/resource/板チタン石">dbpedia-ja:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://nl.dbpedia.org/resource/Brookiet" href="http://nl.dbpedia.org/resource/Brookiet">dbpedia-nl:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://nn.dbpedia.org/resource/Brookitt" href="http://nn.dbpedia.org/resource/Brookitt">dbpedia-nn:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://pl.dbpedia.org/resource/Brookit" href="http://pl.dbpedia.org/resource/Brookit">dbpedia-pl:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://pt.dbpedia.org/resource/Brookita" href="http://pt.dbpedia.org/resource/Brookita">dbpedia-pt:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://ru.dbpedia.org/resource/Брукит" href="http://ru.dbpedia.org/resource/Брукит">dbpedia-ru:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://sk.dbpedia.org/resource/Brookit" href="http://sk.dbpedia.org/resource/Brookit">dbpedia-sk:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://sv.dbpedia.org/resource/Brookit" href="http://sv.dbpedia.org/resource/Brookit">dbpedia-sv:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://uk.dbpedia.org/resource/Брукіт" href="http://uk.dbpedia.org/resource/Брукіт">dbpedia-uk:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://uz.dbpedia.org/resource/Brukit" href="http://uz.dbpedia.org/resource/Brukit">http://uz.dbpedia.org/resource/Brukit</a></li> <li><a class="uri" rel="owl:sameAs" resource="http://vi.dbpedia.org/resource/Brookit" href="http://vi.dbpedia.org/resource/Brookit">dbpedia-vi:Brookite</a></li> <li><a class="uri" rel="owl:sameAs" resource="https://global.dbpedia.org/id/3orFp" 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