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Cuprian Adamite & Olivenite

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SCH98717

Cuprian Adamite & Olivenite

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.2 × 2.5 cm
Description

A very fine example of cuprian adamite from Tsumeb with dark apple green crystals and very good luster. A druse of tiny olivenite covered the 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

Olivenite

Formula: 
Cu2(AsO4)(OH)
Strunz: 
8.BB.30
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK
schani

Seller Information

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