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Fluorite & Cosalite

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CR41582

Fluorite & Cosalite

Description Tabs

Description
Locality: 
Yaogangxian Mine, Hunan Province, China (Peoples Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 5.5 × 3.3 cm
Largest Crystal: 
2.30cm
Description

Sharp bluish fluorite crystal cluster with intergrown cosalite needles.

Beautiful specimen in combination with the rare sulfosalt mineral cosalite.

Mineral Data
What's on the rock

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Crystal System: 
Isometric
Hardness: 
4.0
Streak: 
White
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

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