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Wurtzite & Valentinite

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SKY652123

Wurtzite & Valentinite

Classic Locality

Description Tabs

Description
Locality: 
San Francisco Mine, Poopó, Poopó Province, Oruro Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.3 × 1.3 cm
Description

Outstanding specimen of brown wurtzite crystals associated to yellow valentinite crystals from this Boliviun locality.

Very nice under the microscope !

Mineral Data
What's on the rock

Wurtzite

Formula: 
(Zn,Fe)S
Strunz: 
2.CB.45
Hardness: 
3.5 - 4.0
Streak: 
Brown
Type Locality: 
San José Mine, Oruro City, Cercado Province, Oruro Department, Bolivia

Valentinite

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

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