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Fluorite

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BMM741744

Fluorite

Description Tabs

Description
Locality: 
Cave In Rock District, Illinois, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 4 cm
Description

Glassy crystals of purple fluorite. The fluorite crystals show several zones with inner phantom zoning of deep purple. The crystal surfaces have an intense square texture. Undamaged, backside was extracted from the rock. First foto with daylight as backlit, second and third photo with LED-light as backlit. A wonderful piece all in all.

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