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Fluorite Dolomite & Chalcopyrite

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RBR51087

Fluorite Dolomite & Chalcopyrite

Description Tabs

Description
Locality: 
Annaberg District, Erzgebirge, Saxony, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7.5 × 4 cm
Description

A very good specimen of glossy, clear yellow fluorites with some dolomite and chalcopyrite. The fluo's are zoned with yellow and violet layers. Some of the crystals have some red phantoms inside. A good contrast to the white dolomites where some small chalcopyrites are on top. Rare material.

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Chalcopyrite

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

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