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Fluorite

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BMM677334

Fluorite

Description Tabs

Description
Locality: 
66 Line Mine, Lingqiu County, Shanxi Province, China (Peoples Republic)
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 7.5 × 6.2 cm
Description

Banded fluorite with brownish zonar coloring, spheres carved out with mechanical grinding tools. In order to preserve the cracked surface, the spheres were most probably treated with diluted sulfuric acid at increased temperature. That is how the cracks or “canal-like immersions” were formed. Regardless of the manual processing, the specimen is impressive with stunning gold-yellow translucency.

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
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