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Quartz Epimorphs Psm Fluorite With Fluorite & Sphalerite

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PCZ577729

Quartz Epimorphs Psm Fluorite With Fluorite & Sphalerite

Description Tabs

Description
Locality: 
Rampgill Mine, Nenthead, Cumbria, United Kingdom
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.9 × 2.5 × 1.5 cm
Description

An unusual little specimen from a famous British locality.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Peter Crozier Minerals