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Opal

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MSD904508

Opal

Description Tabs

Description
Locality: 
Coober Pedy, Central North, South Australia, Australia
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 0.9 × 0.9 cm
Weight: 
1.50gr
Description

A fragment of an opalized belemnite from Coober Pedy. This area is very famous for its opalized fossils.This small specimen features stunning flashes of bluish to purple opal. Small but fine
 

Mineral Data
What's on the rock

Opal

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