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Fluorite Galena & Calcite

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KFT52810

Fluorite Galena & Calcite

Description Tabs

Description
Locality: 
Nenthead, Cumbria, United Kingdom
Size Range: 
Cabinet (10-18 cm)
Size: 
16 × 9 × 5.5 cm
Description

An interesting specimen with fluorite up to 1.7cm and galena up to 2.3cm; some fluorite is glossy; the calcite is not etched away; maybe you can clean it better?

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

Galena

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White