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Cuprian Adamite Ferrilotharmeyerite & Tsumcorite

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Cuprian Adamite Ferrilotharmeyerite & Tsumcorite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 4 cm
Description

Green cuprian adamite crystals with yellow microcrystals of ferrilotharmeyerite and yellow tsumcorite blades with minor wulfenite on matrix

Mineral Data
What's on the rock

Cuprian Adamite

Variety Of: 

Adamite

Formula: 
Zn2(AsO4)(OH)
Strunz: 
8.BB.30
Hardness: 
3.5
Formula: 
(Zn,Cu)2AsO4OH
Hardness: 
0.0

Ferrilotharmeyerite

Formula: 
Ca(Fe3+,Zn)2(AsO4)2·2(OH,H2O)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia

Tsumcorite

Formula: 
Pb(Zn,Fe3+)2(AsO4)2·2(H2O,OH)
Strunz: 
8.CG.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
Yellow
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia