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Fluorite

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MGR625145

Fluorite

Description Tabs

Description
Locality: 
Diana Maria Mine, West Rogerley Quarry, Weardale, County Durham, United Kingdom
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 2.1 × 2 cm
Description

A wonderful, gemmy, highly lustrous penetration-twin from recent discovery at this new mining project in Rogerley Quarry. The new finds are near to Suthcliff-vein, one of the first shafts in the quarry. The crystal shows sharp terminated zoning - the center is violet and along the edges you can see dark green color. Under daylight the crystal shows amazing daylght-fluorescence and appears in this famous "Rogerley-blue". Backside was extracted from the rock.

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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