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Opal

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KAT537316

Opal

Description Tabs

Description
Locality: 
Opal Butte, Morrow County, Oregon, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.1 × 7.3 × 2.9 cm
Description

nice specimen of Opal (var. Contra Luz) translucent to tranparent

Mineral Data
What's on the rock

Opal

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

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