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Amarantite With Copiapite & Butlerite

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JYJ106305

Amarantite With Copiapite & Butlerite

Description Tabs

Description
Locality: 
Queténa Mine, Chuquicamata, El Loa Province, Antofagasta Region, Chile
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 1.2 cm
Description

Beautiful orange coloured, iron-containing Amarantite, richly presented on specimen! The piece shows sharp, flat-laying, acicular crystals of Amarantite in sprays. These crystals have a robust, electric orange-red flare to them.

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

Butlerite

Formula: 
Fe3+(SO4)(OH)·2H2O
Strunz: 
7.DC.10
Hardness: 
2.5
Type Locality: 
United Verde Mine (The Big Hole; Big Hole property; Hull Mine; Hopewell tunnel; Patented claim 3480; Patented claim 2812; Patented claims 3348), Jerome, Verde District, Black Hills (Black Hill Range), Yavapai Co., Arizona, USA