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Coquimbite On Stibnite

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SHS125675

Coquimbite On Stibnite

Description Tabs

Description
Locality: 
Pereta Mine, Scansano, Grosseto Province, Tuscany, Italy
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.3 × 0.3 cm
Description

Coquimbite on shiny stibnite

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

Stibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0
Streak: 
Lead grey