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Boulder Opal

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SHS170723

Boulder Opal

Description Tabs

Description
Locality: 
Keeroongooloo Station, Kyabra, Quilpie Shire, Queensland, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.4 × 1 cm
Description

Nice piece of boulder opal

Mineral Data
What's on the rock

Boulder Opal

Variety Of: 

Precious Opal

Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Hardness: 
0.0