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Cuprian Smithsonite & Cuprian Adamite

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CLB181053

Cuprian Smithsonite & Cuprian Adamite

Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5 × 4 cm
Description

A lawn of pale blueish-greeen cuprian smithsonite crystals on two sides of the specimen, dark green cuprian adamite crystals in a vug, associated with other, yet unidentified minerals - acicular white crystals and some little crystals which look like plumboan aragonite(tarnowitzite). Some yellow material might be betpakdalite (?).

Mineral Data
What's on the rock

Cuprian Smithsonite

Variety Of: 

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Formula: 
(Zn,Cu)CO3

Cuprian Adamite

Variety Of: 

Adamite

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

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