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Fluorite Sphalerite & Chalcopyrite

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NST626848

Fluorite Sphalerite & Chalcopyrite

Classic Locality

Description Tabs

Description
Locality: 
Naica, Saucillo Municipality, Chihuahua, Mexico
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 4 cm
Largest Crystal: 
2.50cm
Description

Beautiful example of blue to violet modified cubes of fluorite in paraganesis with expitaxial grown chalcopyrites on sphalerite. Excellent display specimen.

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

Sphalerite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0