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Smithsonite Psm Strontianite With Sphalerite & Fluorite

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PCZ658232

Smithsonite Psm Strontianite With Sphalerite & Fluorite

Description Tabs

Description
Locality: 
Bunton Level, Friarfold Mine, Gunnerside Gill, Swaledale, North Yorkshire, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3 × 2.5 cm
Description

An extremly interesting and unusual pseudomorph of smithsonite ater strontianite. A nice colourless fluorite cube 1.0cm on an edge also features on the display face. A very uncommon specimen.

(L)

 

Mineral Data
What's on the rock

Smithsonite

Formula: 
ZnCO3
Strunz: 
5.AB.05
Hardness: 
4.0 - 4.5
Streak: 
White

Strontianite

Formula: 
SrCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK

Sphalerite

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

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