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Conichalcite Psm Olivenite

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MEX199521

Conichalcite Psm Olivenite

Classic Locality

Description Tabs

Description
Locality: 
Gold Hill Mine, Gold Hill, Tooele County, Utah, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 4.9 × 4.2 cm
Description

A very rich specimen with intensive green conichalcite. Some of the conichalcite shows an elongated structure, which shows in the middle rare vugs. After our opinion is this a perimorph after olivenite crystals.

Mineral Data
What's on the rock

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

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