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Fluorite

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MGR700262

Fluorite

Description Tabs

Description
Locality: 
Boltsburn Mine, Rookhope, Weardale, County Durham, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 8.9 × 7.3 cm
Description

The mine was originally developed in the early 19th century for lead and fluorite, finally closed in 1931. So this is really an old UK classic. The specimen shows a large main crystal with purple concentration along the edges and lustrous faces. The assemble is really good, although it is not completely undamaged it reprsents this famous locality in a very good way.

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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