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Chalcedony Psm Fluorite

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MGR206729

Chalcedony Psm Fluorite

Description Tabs

Description
Locality: 
Ysterputs Farm 254, Karasburg West, Karas Region, Namibia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.9 × 5.5 × 3.1 cm
Description

Gemmy chalcedony after fluorite, well developed front and backside. Different colour and clarity on each side. One side is more light and looks milky, other side shows glassy character. Crystals are all sharp, no significant damages to report.

Mineral Data
What's on the rock

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

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