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Fluorite Galena Calcite & Aragonite

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PCZ190868

Fluorite Galena Calcite & Aragonite

Fluorescent

Description Tabs

Description
Locality: 
Heights Mine, Westgate, Weardale, County Durham, United Kingdom
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 7.5 × 6 cm
Description

Very transparent (not obvious from images) fluorite crystals up to 1.1 cm on an edge, galena crystals to 1.5 cm on an edge, hexagonal calcite crystals (some doubly terminated) to 2.0 cm in length and a scattering of tiny aragonite crystals make up this highly fluorescent specimen. Weighs 805 gms therefore shipping $16 to europe and $24 to US.

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

Aragonite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.15
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Type Locality: 
Gallo river, Molina de Aragón, Guadalajara, Castile-La Mancha, Spain
Peter Crozier Minerals