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Opal

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PCZ797485

Opal

Ex Norris Collection

Description Tabs

Description
Locality: 
Rockhampton, Rockhampton Region, Queensland, Australia
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 6.8 × 4.6 cm
Description

An super specimen of dendritic opal with concoidal fracturing. It has a lovely tan colour with attractive dark grey patternation. Makes a great display (one from my own collection).

 

No Labels
Condition
Back: 
Sawn
Mineral Data
What's on the rock

Opal

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