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Vanadinite

Vanadinite is a mineral belonging to the apatite group of phosphates, with the chemical formula Pb5(VO4)3Cl. It is one of the main industrial ores of the metal vanadium and a minor source of lead. A dense, brittle mineral, it is usually found in the form of red hexagonal crystals. It is an uncommon mineral, formed by the oxidation of lead ore deposits…

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Birefringence
δ = 0.066
Category
Vanadate minerals Apatite group
Cleavage
None
Color
Bright red, orange-red, red-brown, brown, yellow, whitish, grey or colourless or weakly tinted in transmitted light; pale straw-yellow;. may be concentrically zoned
Crystal class
Dipyramidal (6/m) H-M symbol: (6/m)
Crystal habit
Prismatic or nodular; may be acicular, hairlike, fibrous; rarely rounded, globular

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Vanadinite

Nodes97
Edges96
Triples95
Avg. degree1.98
Density0.020619
Components1

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Vanadinite

Top relations

related to Occurrence · 16
Vanadinite → Argentina, Arizona, Associated, Austria, Colorado, Deposits, Mexico, Morocco, Namibia, New Mexico, Scotland, South Africa, South Dakota, Spain, United States, Ural Mountains
related to Image gallery · 13
Vanadinite → Drâa-Tafilalet Region, Mibladen, Mibladen Vanadinite, Midelt, Milbaden, Morocco, MoroccoCrystals, Oriental Region, Oujda-Angad Province, Taouz Er Rachidia Province, Touissit, Touissit District, Upper Moulouya
related to Origins · 13
Vanadinite → Andrés Manuel, Del Río's, He, Hidalgo, However, In, It, Mexico, Nils Gabriel Sefström, Other, Río, Spanish, Zimapan
related to Characteristics · 9
Vanadinite → AsO4, Common, Its, Pb5, PO4, This, VO4, When, Whereas
related to Structure · 8
Vanadinite → Crystals, Each, It, Pb5, The, This, Three, VO4
related to Uses · 7
Vanadinite → Along, Na2CO3, NaCl, NaVO3, Reduction, This, V2O5
related to External links · 3
Vanadinite → Media, Wikimedia Commons, Wiktionary-logo-en-v2
Birefringence · 1
Vanadinite → δ = 0.066
Category · 1
Vanadinite → Vanadate minerals Apatite group
Cleavage · 1
Vanadinite → None

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Important terminology

lead vanadium mineral hexagonal mexico crystals found form deposits minerals chemical unit formula pb5 vo4 3cl vanadate apatite morocco new

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VanadiniteBirefringenceδ = 0.0661.00infobox
VanadiniteCategoryVanadate minerals Apatite group1.00infobox
VanadiniteCleavageNone1.00infobox
VanadiniteColorBright red, orange-red, red-brown, brown, yellow, whitish, grey or colourless or weakly tinted in transmitted light; pale straw-yellow;. may be concentrically zoned1.00infobox
VanadiniteCrystal classDipyramidal (6/m) H-M symbol: (6/m)1.00infobox
VanadiniteCrystal habitPrismatic or nodular; may be acicular, hairlike, fibrous; rarely rounded, globular1.00infobox
VanadiniteCrystal systemHexagonal1.00infobox
VanadiniteDiaphaneityTransparent, translucent or opaque1.00infobox
VanadiniteFormulaPb5(VO4)3Cl1.00infobox
VanadiniteFormula mass1416.27 g/mol1.00infobox
VanadiniteFractureUneven to conchoidal1.00infobox
VanadiniteIMA symbolVna1.00infobox
VanadiniteLusterResinous to sub-adamantine1.00infobox
VanadiniteMelting point3,470 °F (1,910 °C)1.00infobox
VanadiniteMohs scale hardness3–41.00infobox
VanadiniteOptical propertiesUniaxial (−)1.00infobox
VanadiniteRefractive indexnω = 2.416, nε = 2.3501.00infobox
VanadiniteSpace groupP63/m1.00infobox
VanadiniteSpecific gravity6.8–7.1 (measured) 6.95 (calculated)1.00infobox
VanadiniteStreakBrownish yellow1.00infobox
VanadiniteStrunz classification8.BN.051.00infobox
VanadiniteTenacityBrittle1.00infobox
VanadiniteUltraviolet fluorescenceRed-orange under near-UV (405nm)1.00infobox
VanadiniteUnit cella = 10.3174, c = 7.3378 [Å]; Z = 21.00infobox
Vanadiniteis amineral belonging to the apatite group of phosphates0.90text

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