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Warikahnite

Warikahnite is a rare zinc arsenate mineral of the triclinic crystal system with Hermann-Mauguin notation 1, belonging to the space group P1. It occurs in the Tsumeb mine in Namibia on corroded tennantite in the second oxidation zone under hydrothermal conditions in a dolomite-hosted polymetallic ore deposit. It is associated with adamite, stranskiite…

Discovery, Geologic occurrence & Chemical composition

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Key facts & relationships

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2V angle
75° measured
Birefringence
δ = 0.021
Category
Arsenate minerals
Cleavage
perfect, good, good
Color
Pale yellow to colorless; honey-yellow; orange
Crystal class
Pinacoidal (1) (same H-M symbol)

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Overview

Discovery

Crystal structure

Chemical composition

Geologic occurrence

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Map overview Semantic statistics

Warikahnite

Nodes32
Edges31
Triples67
Avg. degree1.94
Density0.0625
Components1

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Warikahnite

Top relations

related to Discovery · 14
Warikahnite → Bad Bayersoien, Clive Queit, Dunn, Germany, Harvard University, He, Hess, Keller, Smithsonian Institution, Stuttgart, The, Tsumeb, University, Walter Richard Kahn
related to Chemical composition · 9
Warikahnite → After, Along, AsO4, Both H2O, H2O, HCL, HNO3, These, Zn3
related to Geologic occurrence · 8
Warikahnite → Greece, Lavrion, Namibia, Plaka, South West Africa, The, Tsumeb Mine, Warikahnite's
related to Crystal structure · 7
Warikahnite → As, Die Kristallstruktur, Gladstone-Dale, H2O, Recent, The, Warikahnit
related to Physical properties · 6
Warikahnite → It, Its, Mineralogy, P1, The Handbook, This
2V angle · 1
Warikahnite → 75° measured
Birefringence · 1
Warikahnite → δ = 0.021
Category · 1
Warikahnite → Arsenate minerals
Cleavage · 1
Warikahnite → perfect, good, good
Color · 1
Warikahnite → Pale yellow to colorless; honey-yellow; orange

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Important terminology

tsumeb mine h2o namibia aso4 crystal white triclinic mineral discovery also minerals zn3 arsenate space group p1 zone hydrothermal ore

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Warikahnite2V angle75° measured1.00infobox
WarikahniteBirefringenceδ = 0.0211.00infobox
WarikahniteCategoryArsenate minerals1.00infobox
WarikahniteCleavageperfect, good, good1.00infobox
WarikahniteColorPale yellow to colorless; honey-yellow; orange1.00infobox
WarikahniteCrystal classPinacoidal (1) (same H-M symbol)1.00infobox
WarikahniteCrystal habitAcicular; radial1.00infobox
WarikahniteCrystal systemTriclinic1.00infobox
WarikahniteDiaphaneityTransparent1.00infobox
WarikahniteFormulaZn3(AsO4)2·2H2O1.00infobox
WarikahniteFormula mass510.04 g/mol1.00infobox
WarikahniteFractureBrittle1.00infobox
WarikahniteIMA symbolWar1.00infobox
WarikahniteLusterVitreous, waxy1.00infobox
WarikahniteMohs scale hardness21.00infobox
WarikahniteOptical propertiesBiaxial (+)1.00infobox
WarikahniteRefractive indexnα = 1.747 nβ = 1.753 nγ = 1.7681.00infobox
WarikahniteSpace groupP11.00infobox
WarikahniteSpecific gravity4.281.00infobox
WarikahniteStreakWhite1.00infobox
WarikahniteStrunz classification8.CA.351.00infobox
WarikahniteUnit cella = 6.71 Å, b = 8.98 Å c = 14.53 Å; α = 105.59° β = 93.44°, γ = 108.68°; Z = 41.00infobox
Warikahniteis arare zinc arsenate mineral of the triclinic crystal system with Hermann-Mauguin notation 10.90text

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