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Amarantite Chalcanthite & Copiapite

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CLB164053

Amarantite Chalcanthite & Copiapite

Classic Locality

Description Tabs

Description
Locality: 
Queténa Mine, Chuquicamata, El Loa Province, Antofagasta Region, Chile
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.4 × 2.1 cm
Description

Very rich specimen, full of red-brown amarantite crystals, a little blue chalcantite and some pale yellow copiapite.

Mineral Data
What's on the rock

Amarantite

Formula: 
Fe3+2(SO4)2O·7H2O
Strunz: 
7.DB.30
Crystal System: 
Triclinic
Hardness: 
2.5
Type Locality: 
Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile

Chalcanthite

Formula: 
CuSO4·5H2O
Strunz: 
7.CB.20
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
2.5
Streak: 
White
Type Locality: 
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile

Copiapite

Formula: 
Fe2+Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Copiapó Province, Atacama Region, Chile

Seller Information

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