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Fluorite On Dolomite

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BMM735191

Fluorite On Dolomite

Description Tabs

Description
Locality: 
Bäuerin Mine, Schottenberg, Frohnau, Annaberg-Buchholz, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 4.3 × 3.8 cm
Description

Individual exposed fluorite cubes on dolomite as perimorphose after calcite (pseudomorphose). The fluorites show a light honey yellow color and blue zonings along the edges. The dolomite perimorphose is unique for the mining area at Frohnau (Erzgebirge, Saxony, Germany). Additionally, it should be mentioned that the piece comes from a unique fluorite find of this locality (alter Bäuerin Schacht, Bierschnabelsohle, BäuerinStehender): No fluorite has ever been found there before. No significant damage! The wonderful piece should be highly ranked because of its rarity!

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