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Fluorite

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PDM822282

Fluorite

Fluorescent

Description Tabs

Description
Locality: 
Boltsburn Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.8 × 3.6 cm
Description

Twinned fluorite crystals of purple colour which cubes reach 37 mm of edge. At the base there are associated tiny transparent calcites. Intense fluorescence under LW and SW ultraviolet light.

Acquired in 1995. Ex Dr. Bob Janssens specimen #212.

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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