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Opal

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CR34882

Opal

With Antique Label

Description Tabs

Description
Locality: 
Dubník, Červenica, Prešov County, Prešov Region, Slovakia (Slovak Republic)
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.2 × 1 cm
Description

A rare opal from the most famous precious opal locality before discoveries in Australia.

With nice old label from Freiberg

Mineral Data
What's on the rock

Opal

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