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Austinite

Austinite is a member of the adelite-descloizite group, adelite subgroup, the zinc (Zn) end member of the copper-Zn series with conichalcite. It is the zinc analogue of cobaltaustinite and nickelaustinite. At one time “brickerite” was thought to be a different species, but it is now considered to be identical to austinite. Austinite is named in honour of…

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2V angle
47°
Birefringence
0.024
Category
Arsenate minerals
Cleavage
Good in two directions parallel to the prism faces {110}
Color
Colourless, white to pale yellowish-white or bright green, colourless in transmitted light
Crystal class
Disphenoidal (222) H-M symbol: (2 2 2)

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Austinite

Nodes21
Edges20
Triples39
Avg. degree1.9
Density0.095238
Components1

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Austinite

Top relations

related to Occurrence · 11
Austinite → Clifton District, Deep Creek Mts, Gold Hill, Gold Hill District, Gold Hill Mine, It, Its, Tooele County, United States, Utah, Western Utah Mine
2V angle · 1
Austinite → 47°
Birefringence · 1
Austinite → 0.024
Category · 1
Austinite → Arsenate minerals
Cleavage · 1
Austinite → Good in two directions parallel to the prism faces {110}
Color · 1
Austinite → Colourless, white to pale yellowish-white or bright green, colourless in transmitted light
Crystal class · 1
Austinite → Disphenoidal (222) H-M symbol: (2 2 2)
Crystal habit · 1
Austinite → Well developed orthorhombic crystals of bladed or acicular habit elongated parallel to the c axis, sometimes with sceptre-like terminations, also radially fibrous crusts and nod…
Crystal system · 1
Austinite → Orthorhombic
Dana classification · 1
Austinite → 41.5.1.3

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Important terminology

crystal group zinc crystals mirror point right left handed mineral orthorhombic references symmetry enantiomorphs enantiomorphic one species white green parallel

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Austinite2V angle47°1.00infobox
AustiniteBirefringence0.0241.00infobox
AustiniteCategoryArsenate minerals1.00infobox
AustiniteCleavageGood in two directions parallel to the prism faces {110}1.00infobox
AustiniteColorColourless, white to pale yellowish-white or bright green, colourless in transmitted light1.00infobox
AustiniteCrystal classDisphenoidal (222) H-M symbol: (2 2 2)1.00infobox
AustiniteCrystal habitWell developed orthorhombic crystals of bladed or acicular habit elongated parallel to the c axis, sometimes with sceptre-like terminations, also radially fibrous crusts and nod…1.00infobox
AustiniteCrystal systemOrthorhombic1.00infobox
AustiniteDana classification41.5.1.31.00infobox
AustiniteDiaphaneityTranslucent to transparent1.00infobox
AustiniteDispersionr > v weak1.00infobox
AustiniteFormulaCaZnAsO4(OH)1.00infobox
AustiniteFormula mass261.38 g/mol1.00infobox
AustiniteIMA symbolAus1.00infobox
AustiniteLusterSubadamantine to silky in fibrous aggregates1.00infobox
AustiniteMohs scale hardness4 to 4.51.00infobox
AustiniteOptical propertiesBiaxial (+)1.00infobox
AustiniteOther characteristicsNon-radioactive. Some austinite fluoresces green under SWUV.1.00infobox
AustiniteRefractive indexnα = 1.759, nβ = 1.763, nγ = 1.783,1.00infobox
AustiniteSolubilityEasily soluble in cold dilute HCl1.00infobox
AustiniteSpace groupP2121211.00infobox
AustiniteSpecific gravity4.121.00infobox
AustiniteStreakWhite1.00infobox
AustiniteStrunz classification8.BH.351.00infobox
AustiniteTenacityBrittle1.00infobox
AustiniteTwinningLeft- and right-handed individuals joined on {100}, with {010} and {001} coincident.1.00infobox
AustiniteUnit cella = 7.43, b = 9.00 c = 5.90 [Å], Z = 41.00infobox
Austiniteis amember of the adelite-descloizite group0.90text

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