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Chalcomenite

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BCK627774

Chalcomenite

Rare Mineral

Description Tabs

Description
Locality: 
Suncup No 2, Uruvan, San Miguel County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.3 × 0.7 cm
Description

You are bidding on a small sample with a fracture coated with a patch of bright blue chalcomenite crystals from this obscure locality. 

Mineral Data
What's on the rock

Chalcomenite

Formula: 
CuSeO3·2H2O
Strunz: 
4.JH.05
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 2.5
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina

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