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Stibnite & Valentinite With Baryte

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CLB156254

Stibnite & Valentinite With Baryte

Classic Locality

Description Tabs

Description
Locality: 
Caspari Mine, Uentrop, Arnsberg, North Rhine - Westphalia, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.8 × 4 × 2.7 cm
Description

Lustrous dark metallic stibnite with white valentinite and (presumably) tiny, colorless baryte crystals (maybe gypsum?). Rare old material.

Mineral Data
What's on the rock

Stibnite

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

Valentinite

Formula: 
Sb2O3
Strunz: 
4.CB.55
Hardness: 
2.5 - 3.0
Streak: 
White
Type Locality: 
Les Chalanches Mine, Allemont, Isère, Rhône-Alpes, France

Baryte

Formula: 
BaSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White

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