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Coquimbite & Krausite

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RBM137618

Coquimbite & Krausite

Description Tabs

Description
Locality: 
Alcaparrosa Mine, Sierra Gorda, Antofagasta Province, Antofagasta Region, Chile
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 2.5 cm
Description

Group of prismatic violet crystals of coquimbite accompanied by krausite, yavapaiite and light yelloow pertlikite.

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

Krausite

Formula: 
KFe(SO4)2·H2O
Strunz: 
7.CC.05
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Sulphur Hole (Sulfur Hole; Sulphur pit), Mule Canyon, Yermo, Calico District (Daggett District), Calico Mts (Calico Hills), San Bernardino Co., California, USA

Seller Information

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