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Opal

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BMM672246

Opal

Description Tabs

Description
Locality: 
Yowah Opal Field, Paroo Shire, Queensland, Australia
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 6 × 4 cm
Description

Opal of Queensland with intense blue and violet shades. Very good contrast to the banded brown matrix. The specimen stands in the displayed position without any support (first photo)!

Mineral Data
What's on the rock

Opal

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