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Opal

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KBR79238

Opal

Description Tabs

Description
Locality: 
Opalton, Winton Shire, Queensland, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 3.5 × 2.2 cm
Description

Nice large slab of blue boulder opal which has been opened along the opal seam. It is not polished but has the natural glassy iridescent appearance.

Mineral Data
What's on the rock

Opal

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

Seller Information

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