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Precious Opal

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MNR705492

Precious Opal

Classic Locality

Description Tabs

Description
Locality: 
Dubník, Červenica, Prešov County, Prešov Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3.2 × 3 cm
Description

Excellent precious opal sample from ancient mines at Dubnik. Colorful precious opal with all rainbow colors is very rarely seen.

Mineral Data
What's on the rock

Precious Opal

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