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Smithsonite & Rosasite

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SUR94257

Smithsonite & Rosasite

Description Tabs

Description
Locality: 
Silver Hill Mines, Silver Hill, Pima County, Arizona, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 5 × 5 cm
Description

Interesting pseudomorph of grey Smithsonite after 'dogtooth' Calcite crystals, with some patches of bright blue Rosasite.

Mineral Data
What's on the rock

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

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
Surrey Minerals