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Opal

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MGR839343

Opal

Classic Locality

Description Tabs

Description
Locality: 
Opal Butte, Morrow County, Oregon, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 5.5 × 3.5 cm
Description

A really fine sample from this famous classic locality - opal with inter-grown matrix in impressive dimension! Well cut and polished all around!

Mineral Data
What's on the rock

Opal

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