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Cosalite & Fluorite

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ESM720768

Cosalite & Fluorite

Description Tabs

Description
Locality: 
Kara Oba, Karaganda Oblast, Kazakhstan
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3 × 1.3 cm
Description

Translucent green fluorite on metallic needles

Mineral Data
What's on the rock

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

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
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