Dumortierite (original) (raw)
La dumortierita és un mineral de la classe silicats, que pertany i dona nom al grup dumortierita de minerals. Va ser descrita per primera vegada l'any 1881 a partir d'una veta a Chaponost, Alps del Rhône a França i va ser anomenada així en honor del paleontòleg Eugène Dumortier (1803-1873).
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| dbo:abstract | La dumortierita és un mineral de la classe silicats, que pertany i dona nom al grup dumortierita de minerals. Va ser descrita per primera vegada l'any 1881 a partir d'una veta a Chaponost, Alps del Rhône a França i va ser anomenada així en honor del paleontòleg Eugène Dumortier (1803-1873). (ca) Dumortierit (Al,Fe)7(BO3)(SiO4)3O3 je kosočtverečný nerost, boritokřemičitan hliníku a železa. Byl popsán již ve 12. století jako údajný lapis lazuli na lokalitě v Beaunan u Lyonu (Francie), kde se vyskytuje v granátické rule spolu s cordieritem a sillimanitem. (cs) Dumortierite is a fibrous variably colored aluminium boro-silicate mineral, Al7BO3(SiO4)3O3. Dumortierite crystallizes in the orthorhombic system typically forming fibrous aggregates of slender prismatic crystals. The crystals are vitreous and vary in color from brown, blue, and green to more rare violet and pink. Substitution of iron and other tri-valent elements for aluminium result in the color variations. It has a Mohs hardness of 7 and a specific gravity of 3.3 to 3.4. Crystals show pleochroism from red to blue to violet. Dumortierite quartz is blue colored quartz containing abundant dumortierite inclusions. Dumortierite was first described in 1881 for an occurrence in Chaponost, in the Rhône-Alps of France and named for the French paleontologist Eugène Dumortier (1803–1873). It typically occurs in high temperature aluminium rich regional metamorphic rocks, those resulting from contact metamorphism and also in boron rich pegmatites. The most extensive investigation on dumortierite was done on samples from the high grade metamorphic in Austria by Fuchs et al. (2005). It is used in the manufacture of high grade porcelain. It is sometimes mistaken for sodalite and has been used as imitation lapis lazuli. Sources of Dumortierite include Austria, Brazil, Canada, France, Italy, Madagascar, Namibia, Nevada, Norway, Peru, Poland, Russia and Sri Lanka. (en) Dumortierit ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Silikate und Germanate“. Es kristallisiert im orthorhombischen Kristallsystem mit der idealisierten Zusammensetzung Al6,5–7[(O,OH)3|BO3 |
| dbo:colour | dbr:Blue |
| dbo:thumbnail | wiki-commons:Special:FilePath/Dumortiérite.jpg?width=300 |
| dbo:wikiPageExternalLink | http://eurjmin.geoscienceworld.org/cgi/content/abstract/17/1/173 https://web.archive.org/web/20050828174202/http:/mineral.galleries.com/minerals/silicate/dumortie/dumortie.htm http://www.minsocam.org/ammin/AM11/AM11_93.pdf http://www.minsocam.org/ammin/AM11/AM11_96.pdf |
| dbo:wikiPageID | 1895446 (xsd:integer) |
| dbo:wikiPageLength | 6149 (xsd:nonNegativeInteger) |
| dbo:wikiPageRevisionID | 1083403864 (xsd:integer) |
| dbo:wikiPageWikiLink | dbr:Canada dbr:Prism_(geometry) dbr:Quartz dbr:Blue dbr:Boron dbr:Brazil dbr:Peru dbr:Rhône dbr:Violet_(color) dbr:List_of_minerals dbr:List_of_minerals_named_after_people dbr:Russia dbr:Chemical_element dbr:Green dbr:Namibia dbr:Crystal dbr:Madagascar dbr:Silicate_minerals dbr:Austria dbr:Brown dbc:Gemstones dbc:Orthorhombic_minerals dbr:Glass dbr:Lapis_lazuli dbr:Pegmatite dbr:Alps dbr:Aluminium dbr:France dbr:Norway dbr:Paleontologist dbr:Iron dbr:Italy dbc:Borosilicates dbc:Aluminium_minerals dbc:Nesosilicates dbc:Minerals_in_space_group_62 dbr:Chaponost dbc:Borate_minerals dbr:Pink dbr:Poland dbr:Porcelain dbr:Sodalite dbr:Specific_gravity dbr:Sri_Lanka dbr:Contact_metamorphism dbr:Metamorphic_rocks dbr:Nevada dbr:Eugène_Dumortier dbr:Pleochroism dbr:H-M_symbol dbr:Orthorhombic dbr:Nesosilicate dbr:Ångstrom dbr:Mohs_hardness dbr:Gfohl_unit |
| dbp:2v | Measured: 20° to 52°, Calculated: 30° (en) |
| dbp:birefringence | δ = 0.027 (en) |
| dbp:caption | Dumortierite from Tuléar Province , Madagascar (en) |
| dbp:category | dbr:Nesosilicate |
| dbp:class | dbr:H-M_symbol Dipyramidal (en) |
| dbp:cleavage | Distinct on {100}, poor on {110}; parting on {001} (en) |
| dbp:color | Blue, greenish-blue, violet-blue, pale blue, red (en) |
| dbp:diaphaneity | Transparent to translucent (en) |
| dbp:dispersion | r > v; strong (en) |
| dbp:formula | Al7BO33O3 or Al6.5-7BO333 (en) |
| dbp:fracture | Fibrous (en) |
| dbp:gravity | 3.300000 (xsd:double) |
| dbp:habit | As fibrous or columnar crystals; coarsely crystalline to intimate parallel aggregates of needles; massive (en) |
| dbp:imasymbol | Dum (en) |
| dbp:luster | Vitreous to dull (en) |
| dbp:mohs | 7 (xsd:integer) |
| dbp:name | Dumortierite (en) |
| dbp:opticalprop | Biaxial (en) |
| dbp:pleochroism | Strong; X = deep blue or violet; Y = yellow to red-violet or nearly colorless; Z = colorless or very pale blue (en) |
| dbp:refractive | nα = 1.659 - 1.678 nβ = 1.684 - 1.691 nγ = 1.686 - 1.692 (en) |
| dbp:streak | White (en) |
| dbp:strunz | 9 (xsd:integer) |
| dbp:symmetry | Pmcn (en) |
| dbp:system | dbr:Orthorhombic |
| dbp:twinning | Common on {110}, may produce trillings (en) |
| dbp:unitCell | a = 11.77 Å, b = 20.21 Å (en) c = 4.71 Å; Z = 4 (en) |
| dbp:wikiPageUsesTemplate | dbt:Cite_journal dbt:Commons_category dbt:Reflist dbt:Infobox_mineral |
| dcterms:subject | dbc:Gemstones dbc:Orthorhombic_minerals dbc:Borosilicates dbc:Aluminium_minerals dbc:Nesosilicates dbc:Minerals_in_space_group_62 dbc:Borate_minerals |
| rdf:type | owl:Thing dul:ChemicalObject dbo:ChemicalSubstance yago:WikicatBorateMinerals wikidata:Q7946 dbo:Mineral yago:WikicatMinerals yago:WikicatOrthorhombicMinerals yago:WikicatSilicateMinerals yago:WikicatSilicates yago:Abstraction100002137 yago:Chemical114806838 yago:Compound114818238 yago:Material114580897 yago:Matter100020827 yago:Mineral114662574 yago:Part113809207 yago:PhysicalEntity100001930 yago:Relation100031921 yago:WikicatHydroxideMinerals yago:Salt115010703 yago:Silicate115040033 yago:Substance100019613 yago:WikicatAluminiumMinerals |
| rdfs:comment | La dumortierita és un mineral de la classe silicats, que pertany i dona nom al grup dumortierita de minerals. Va ser descrita per primera vegada l'any 1881 a partir d'una veta a Chaponost, Alps del Rhône a França i va ser anomenada així en honor del paleontòleg Eugène Dumortier (1803-1873). (ca) Dumortierit (Al,Fe)7(BO3)(SiO4)3O3 je kosočtverečný nerost, boritokřemičitan hliníku a železa. Byl popsán již ve 12. století jako údajný lapis lazuli na lokalitě v Beaunan u Lyonu (Francie), kde se vyskytuje v granátické rule spolu s cordieritem a sillimanitem. (cs) La dumortierita es un mineral nesosilicato fibroso de coloración variable de aluminio boro-silicato, Al7BO3(SiO4)3O3. (es) Dumortierita silikato motako minerala da eta dumortierite taldearen kidea da. (eu) La dumortiérite est un minéral fibreux (borosilicate d'aluminium, formule Al7BO3(SiO4)3O3) qui a été découvert en 1879 à Chaponost en région Rhône-Alpes, et nommé en l'honneur du paléontologue Eugène Dumortier. Ce minéral ne doit pas être confondu avec l'azurite, la lazurite ou bien encore la sodalite. Son symbole (inchangé) validé par tous les classements minéralogiques est dum. (fr) La dumortierite è un minerale appartenente al gruppo omonimo. Appartiene alla categoria dei neso-silicati; è un boro-silicato fibroso di alluminio variamente colorato. La dumortierite fu scoperta nel novembre 1879 da F. Gonnard a Chaponost, nel dipartimento del Rodano in Francia e descritta per la prima volta nel 1881 da Alexis Damour : il minerale è stato così denominato in onore del paleontologo francese . (it) Het mineraal dumortieriet is een aluminium-boor-nesosilicaat met de chemische formule Al8BSi3O19OH. (nl) Дюмортьери́т — минерал, боросиликат алюминия. Кристаллическая структура островного типа. Обнаружен в 1881 году во французских Альпах и назван в честь французского палеонтолога Э. Дюмортье (фр. Eugène Dumortier; 1803—1873). (ru) A dumortierita é um mineral nesossilicato fibroso de coloração variada sendo um mineral alumínio boro-silicatado, Al7BO3(SiO4)3O3. A dumortierita cristaliza no sistema ortorrômbico geralmente formando agregados fibrosos de cristais alongados prismáticos . Seus cristais são de brilho vítreo e sua cor varia do marrom, azul, e verde a os mais raros como violeta e rosa. Isso ocorre devido a substituição do ferro e outros elementos tri-valentes por alumínio e isso que produz a sua variação de cor. Sua dureza na escala de Mohs é 7 e sua densidade específica é 3.3 a 3.4. os cristais apresentam pleocroísmo de vermelho a azul e violeta. O quartzo dumortierita é quartzo de coloração azul que contém abundantes inclusões de dumortierita. (pt) Dumortieryt – minerał z gromady krzemianów. Należy do grupy minerałów rzadkich. Nazwa pochodzi od nazwiska francuskiego paleontologa M.E. Dumortiera (1803-1876). (pl) 蓝线石（Dumortierite，名字源自法国古生物学家Eugene Dumortier）是一种硅酸盐矿物，具有漂亮的颜色和较高的硬度。块状蓝线石常被琢磨成弧面形，珠形或雕件，它与青金石、方钠石等宝石具有相似的外观。 蓝线石可见青蓝色至绿蓝色、褐色、粉红色，紫色等，在透射光下可见无色、黄绿色至紫色。 蓝线石作为一种稀有宝石，受到重视主要是因为巴西产的蓝线石水晶，及中国产的和蓝星石，前者是一种寿山石，后者是一种青田石。 (zh) Дюмортьєри́т — мінерал, боросилікат алюмінію. (uk) Dumortierit ist ein eher selten vorkommendes Mineral aus der Mineralklasse der „Silikate und Germanate“. Es kristallisiert im orthorhombischen Kristallsystem mit der idealisierten Zusammensetzung Al6,5–7[(O,OH)3|BO3 |
| rdfs:label | Dumortierita (ca) Dumortierit (cs) Dumortierite (en) Dumortierit (de) Dumortierita (es) Dumortierita (eu) Dumortiérite (fr) Dumortierite (it) Dumortieriet (nl) Dumortieryt (pl) Dumortierita (pt) Дюмортьерит (ru) Дюмортьєрит (uk) 蓝线石 (zh) |
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| prov:wasDerivedFrom | wikipedia-en:Dumortierite?oldid=1083403864&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/Dumortiérite.jpg |
| foaf:isPrimaryTopicOf | wikipedia-en:Dumortierite |
| foaf:name | Dumortierite (en) |
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