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Coquimbite & Ferrinatrite

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SHS790205

Coquimbite & Ferrinatrite

Description Tabs

Description
Locality: 
Alcaparrosa Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.1 × 3.3 × 2 cm
Description

Coquimbite and ferrinatrite on matrix

Mineral Data
What's on the rock

Coquimbite

Formula: 
Fe2-xAlx(SO4)3·9H2O, x ~0.5
Strunz: 
7.CB.55
Hardness: 
2.5
Streak: 
white
Type Locality: 
Coquimbo 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