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Calcite Quartz & Chalcopyrite On Fluorite

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CLB621136

Calcite Quartz & Chalcopyrite On Fluorite

ex collection Schwanz
Classic Locality

Description Tabs

Description
Locality: 
Silberberg, Todtnau, Freiburg Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.7 × 1.2 cm
Description

Colorless calcite and quartz crystals with brassy chalcopyrite on pale blue fluorite.

Mineral Data
What's on the rock

Calcite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Chalcopyrite

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

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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