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Wood Opal

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PCZ567210

Wood Opal

Description Tabs

Description
Locality: 
Povrazník, Banská Bystrica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.2 × 2.5 cm
Description

I have offered a number of specimens of wood opal from this locality in previous auctions however none have come close to this piece in terms of size and quality. The specimen consists of beautiful multicoloured patterns with clear annual rings. Top material.

Mineral Data
What's on the rock

Wood Opal

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Hardness: 
0.0
Peter Crozier Minerals