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Fluorite & Calcite

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MGR719771

Fluorite & Calcite

Description Tabs

Description
Locality: 
Summit Cleft, Weißeck, Murwinkel, Tamsweg District, Salzburg, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 8 × 4.8 cm
Description

A very fine sample from the third caverne of the summit cleft. It shows the typical stepped habit, an uncommon combination with Calcite and this beautiful dark blue to purple internal colours with backlight. The faces are edged, bottom and backside were on the rock.

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