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Calcite & Fluorite

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MGR760343

Calcite & Fluorite

Description Tabs

Description
Locality: 
Summit Cleft, Weißeck, Murwinkel, Tamsweg District, Salzburg, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 3.5 × 2.6 cm
Description

Large - and for the locality uncommon sharp - scalenohedrons of highly lsutrous dark purple fluorite. The first photo was done with moderately backlight - the fluorite seems to glow and the contrast with yellow calcite is really fantastic. The other images show the specimen under daylight condition. The quality and the high luster of the fluorite s exceptional for the entire region and came only from this one cleft.

Mineral Data
What's on the rock

Calcite

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