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Amarantite & Copiapite & Ferrinatrite

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SKY767768

Amarantite & Copiapite & Ferrinatrite

Rare Mineral

Description Tabs

Description
Locality: 
Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.4 × 0.6 cm
Description

Reddish amarantite crystals associated to copiapite and ferrinatrite from Chile

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

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

Ferrinatrite

Formula: 
Na3Fe(SO4)3·3H2O
Strunz: 
7.CC.35
Hardness: 
2.5
Type Locality: 
La Compañia Mine, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile

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