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Fluorite With Chalcedony

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BMM681314

Fluorite With Chalcedony

Description Tabs

Description
Locality: 
Okoruso Mine, Otjiwarongo District, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 7 × 5.3 cm
Description

Look at this extraordinary piece by Okorusu. Generally fluorites are offered by Okorusu with a clean and smooth surface - not so here. On this piece, the chalcedony cover was not removed and the cover makes the piece so attractive. Sharply terminated fluorite cubes coated with a thin chalcedony-layer, which has a beautiful mottled drawing. Very intense green color with backlit (first photo). Three-dimensional construction, the bottom was extracted from the rock. No significant damage to report!

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

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey
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