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Fluorite

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MGR504087

Fluorite

Description Tabs

Description
Locality: 
Stotsfieldburn Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 4.3 × 4.8 cm
Largest Crystal: 
2.30cm
Description

Main crystal is 2,3 cm on edges. The matrix consists of crystalized quartz. On it semi-lustrous well formed galena in combination with sharp terminated penetration-twins of fluorite. Fluorite crystals are all very glossy. Photos are done under daylight so you can see the spectacular daylight fluorescence - very intense violet! The specimen is out of the famous Berger-collection and was acquired in 1950, the locality is very uncommon and should be high ranked for rarity. Will come with old label.

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