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Coquimbite & Alunogen

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MEX830393

Coquimbite & Alunogen

Description Tabs

Description
Locality: 
Javier Mine, Huac-huas, Lucanas Province, Ayacucho Department, Peru
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.6 × 3.1 cm
Weight: 
16.00gr
Description

Massive violet coquimbite built up here the matrix. Here and there you can see coquimbite crystals. Alunogen shows white crystallized balls.

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

Alunogen

Formula: 
Al2(SO4)3·17H2O
Strunz: 
7.CB.45
Crystal System: 
Trigonal
Hardness: 
1.5 - 2.0
Streak: 
White
Not Sold