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Cuprian Smithsonite & Rosasite

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NST683741

Cuprian Smithsonite & Rosasite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3 × 2.5 cm
Description

A vug-like specimen showing semitransparent, apple green crystals of Smithsonite and a few Rosasites covering a thin layer of Azurite. 

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

Rosasite

Formula: 
(Cu,Zn)2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Rosas Mine, Narcao, Carbonia-Iglesias Province, Sardinia, Italy