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Coquimbite & Krausite

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CR116714

Coquimbite & Krausite

Rare Mineral

Description Tabs

Description
Locality: 
Javier Mine, Huac-huas, Lucanas Province, Ayacucho Department, Peru
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3.5 cm
Description

This is a beautiful specimen that is an excellent representative for the species, a good example from this small 2009 find. Really quite remarkable for both species and for a locale from which we never suspected or saw such things before.Sharp pink coquimbite with some gemmy white krausite crystals (pic. 2) and minor yellowbrown metavoltine crystals.

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