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Opal-AN

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WND799402

Opal-AN

Classic Locality

Description Tabs

Description
Locality: 
Valeč, Doupov, Karlovy Vary Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 4.3 × 4.2 cm
Description

Amorphous, glassy masses of opal-AN (former hyalite)  reminiscent of molten glass. A fine and attractive specimen in splendid condition from the famous Czech locale for this species. Absolutely pristine.

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
Wendel Minerals

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