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Amarantite & Copiapite

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PDM822275

Amarantite & Copiapite

Description Tabs

Description
Locality: 
Copiapó Province, Atacama Region, Chile
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.7 × 0.9 cm
Description

Dark orange crystallized amarantite associated to yellow copiapite crystals. Nice representative specimen of this classic locality.

Acquired in 1983. Ex Roger Gnat.

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

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