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Fluorite

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PCZ191000

Fluorite

Rare Mineral

Description Tabs

Description
Locality: 
Old Town Quarry, Middridge, Durham, County Durham, United Kingdom
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 5 × 3 cm
Description

A matrix of dolomitic limestone has two areas with well-developed reticulated fluorite crystals. This rare and unusual form of fluorite has the tabular crystals all oriented in the same direction(s).

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