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Fluorite & Calcite With Marcasite

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CLB88187

Fluorite & Calcite With Marcasite

Classic Locality

Description Tabs

Description
Locality: 
Villabona Mines, Llanera, Asturias, Spain
Size Range: 
Museum (18cm plus)
Size: 
18.2 × 20.4 × 8.8 cm
Description

Wonderful large exhibition specimen.

Highly lustrous, honey-coloured fluorite crystals, contrasted by sheer white calcite crystals of good quality. Some tiny marcasite crystals growing on the fluorite and included in calcite.

Just a few dings, barely noticeable.

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

Calcite

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

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

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