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Fluorite

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Watches:
BMM1019740

Fluorite

Description Tabs

Description
Locality: 
Knappenloch, Weißeck, Murwinkel, Tamsweg District, Salzburg, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 4.3 cm
Description

Another fantastic piece from the "Knappenloch". The crystal displays a beautiful violet color on the outside and a good blue to cyan color on the inside. This color build-up causes the fluorite to change color as the piece is moved. The fluorite measures up to 4.8 cm at the edges. The crystal surfaces show a fine square texture with good luster due to water etching. On the sides of the fluorite you can see beautiful etched structures. In the crystal area there is a distinctive features observed from this new find: the dark violet spots which are most likely from radioactive radiation. First, second, third, fifth, sixth and seventh photo with medium LED backlight. This find is published in the current The Mineralogical Record - Mineral Magazine Vol.54 No.6.2. On my homepage you will find a detailed report with videos from this find.

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