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Gold & Cosalite

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SMM540837

Gold & Cosalite

Description Tabs

Description
Locality: 
Lauriéras, Saint-Yrieix-la-Perche, Haute-Vienne, Nouvelle-Aquitaine, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

The small Gold nodules protrude out from the quartz in 4 or 5 points, some seem to partially crystallized, are accompanied by more cavities by fine Cosalite crystals in the jackstrw form. Nice.

Mineral Data
What's on the rock

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Cosalite

Formula: 
Pb2Bi2S5
Strunz: 
2.JB.10
Hardness: 
2.5 - 3.0
Colour: 
Grey
Streak: 
Black
Type Locality: 
Cosalá Mine, Cosalá, Mun. de Cosalá, Sinaloa, Mexico

Seller Information

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