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Fluorite

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BMM681471

Fluorite

Description Tabs

Description
Locality: 
Weißeck Area, Murwinkel, Lungau, Salzburg, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7 × 3.5 cm
Description

Blue semi-gloss fluorite overgrown with semi-gloss calcites. The fluorites show good transparency and light zoning on the edges. The color of the fluorite changes with different sources of light (Alexandrit Effect). This change in colors is relatively common with fluorites from Weisseck and can be seen as signature feature. The specimen is undamaged, except for the natural breakages on the edge of the specimen. Edge length of up to 2 cm. The photos were done at daylight.

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