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Opal-AN

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CR141942

Opal-AN

Description Tabs

Description
Locality: 
Valeč, Doupov, Karlovy Vary Region, Czech Republic
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6 × 4.8 cm
Description

Beautiful Opal-AN specimen from Bohemia.

Mineral Data
What's on the rock

Opal-AN

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white