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Opal Var Yowah Nut

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PJM38106

Opal Var Yowah Nut

Description Tabs

Description
Locality: 
Yowah Opal Field, Paroo Shire, Queensland, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 2.2 × 2.3 cm
Description

Yowah nut are limonitic nodules that have weathered in/ out of the country rock. They resemble a nut when found: macadamia or peanut.

The skin of the nodule is normally a light tan to ochre colour and the interior of the nut is dark brown iron stone that has concentric cracking which hopefully for the miners been filled with precious opal. This nut which appears to have been pancaked displays all the right qualities alas the opal infilling is not precious opal but rather clear potch opal with the occassional flash of purple fire. the nut has had both end broken away in the search for good cutting grade opal.

An interesting specimen with a story to tell

Mineral Data
What's on the rock

Opal

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

Yowah Nut

Variety Of: 

Boulder Opal

Hardness: 
0.0
Hardness: 
0.0
Earthstones Australia

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All goods must be paid for prior to shipping, all bids are binding.

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