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Fluorite & Dolomite

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BMM1040831

Fluorite & Dolomite

Description Tabs

Description
Locality: 
Globenstein, Breitenbrunn, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.5 × 3.7 cm
Description

Amber-yellow fluorite crystals up to 0.7 cm in size - which have a violet zoning in the outer area and this makes the fluorite appear darker in color. Set on matrix rock and accompanied by beige, crystllized dolomite. From Globenstein, Breitenbrunn, Erzgebirge, Saxony, Germany.

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