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Sphalerite Calcite Fluorite & Pyrite

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ESM542943

Sphalerite Calcite Fluorite & Pyrite

Description Tabs

Description
Locality: 
Concepcion Del Oro, Zacatecas, Mexico
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
5 × 10.5 × 9 cm
Description

Lustrous dark sphalerite crystals with white calcite scalenohedrons , a waterclear fluorite crystal and minor pyrite crystals

Mineral Data
What's on the rock

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
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