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Fluorite

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PCZ550442

Fluorite

Classic Locality

Description Tabs

Description
Locality: 
Blue John Cavern, Castleton, Derbyshire, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6 × 3 cm
Description

Blue John cavern is famous world wide for the massive fluorite that has been carved into beautiful items for many years. These comand high prices. Less well known are the uncommon free crystals that occur at the locality. Even more uncommon are the exquisite cubes that form essentially colourless but with a sharp, fine purple line along the edges. This is the first and better of two specimens I have recently obtained. Rare and very attractive material. 

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
Peter Crozier Minerals