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Fluorite With Pyrite Inclusions

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PCZ581343

Fluorite With Pyrite Inclusions

Description Tabs

Description
Locality: 
Winster, Matlock, Derbyshire, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 2.5 cm
Description

A fascinating little specimen, from a very rare British locality, consisting of sharp, translucent/transparent, colourless fluorite cubes up to 1.4 cm on an edge. There are numerous inclusions which make the crystals look like pyrite sprinkles frozen in ice cubes. Unusual and very difficult to find 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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5
Peter Crozier Minerals