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Fluorite

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MGR671510

Fluorite

Description Tabs

Description
Locality: 
Minerva No 1 Mine, Illinois, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.8 × 3.2 cm
Description

A wonderful specimen from this famous flourite locality. The intergrown crystals are up to 31 mm on edges, they show excellent clarity, sharp termination and glossy faces. In the centre you can see a very light lavender to yellow zoning, then a thin dark purple zoning and light blue outter zones. The back side was contacted and consists of uncounable tiny steps. 

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
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