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Fluorite & Chalcopyrite

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BMM679548

Fluorite & Chalcopyrite

Description Tabs

Description
Locality: 
Bäuerin Mine, Schottenberg, Frohnau, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 6.5 × 5.5 cm
Description

Fluorite cubes up to 1 cm on Matrix from the Bäuerin Mine. The faces are matte to high gloss with a very fine structure. In the inner side of the fluorite you can see a translucent yellow color with an intense red center and a multicolored blue zoning along the edges. A few small golden chalcopyrite crystals perched on its surface. This kind of fluorite is very rare and highly requested because of the quality of coloration especially of the small available. The specimen stands in the displayed position

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

Chalcopyrite

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