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Cuprian Adamite & Tsumcorite

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CR118255

Cuprian Adamite & Tsumcorite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 6.5 × 3.5 cm
Description

A very interesting combination of green cuprian adamite with yellow-brown tsumcorite crystals and small gemmy wulfenite crystals.

Beautiful specimen from Grosch collection.

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

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