Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Opal

Views:
Watches:
MGR997064

Opal

Classic Locality

Description Tabs

Description
Locality: 
Pechgraben, Bernstein, Oberwart District, Burgenland, Austria
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 5.3 × 3.8 cm
Description

Nice example of a rough and naturally cleaved in half opal from Austria. The frame is brownish coloured and directing to the center you can nicely see a beige to slightly greenish appearing zoning before the specimen gets opaque, pale white in the center.

Mineral Data
What's on the rock

Opal

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