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Coquimbite

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SMM863534

Coquimbite

New find

Description Tabs

Description
Locality: 
Monte Arsiccio Mine, Sant'Anna di Stazzema, Stazzema, Lucca Province, Tuscany, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Largest Crystal: 
1.50cm
Description

From a last year find, comes this beautiful cluster of purple coquimbite crystals. On the sample there are brown römerite and a few pinkish krausite crystals. Nice specimen.

 

 

Boxed with Label
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

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