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Fluorite

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MGR659730

Fluorite

Description Tabs

Description
Locality: 
Okorusu Mine, Otjiwarongo, Otjozondjupa Region, Namibia
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.2 × 6.7 × 5 cm
Description

Flourite from Okorusu usually shows various steps of green colour, most of them need backlight to show the internal colours. These water clear blue crystals are from very old discoveries in the 1980s and earlier. Please note that photos were done under daylight without any backlight. This particular specimen was from a discovery in 1965. The crystals are sharp terminated and very glossy and of excellent translucency. You can see light phantoms and sharp darker blue zoning in their centers. 

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