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Galena On Fluorite

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LCM41028

Galena On Fluorite

Fluorescent

Description Tabs

Description
Locality: 
Groverake Mine, Rookhope, Weardale, County Durham, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2 × 2 cm
Largest Crystal: 
1.00cm
Description

A cluster of well formed galena crystals sitting on deposits of highly fluorescent fluorite with a small amount of matrix.

Mineral Data
What's on the rock

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

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
Lakeland Crystals and Minerals
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