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Precious Opal (Var: Boulder Opal) : SiO2·nH2O

Copyright © Lopatkin Oleg
 
 
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Precious Opal (Var: Boulder Opal) : SiO2·nH2O

Copyright © Lopatkin Oleg  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 48 mm x 40 mm x 40 mm

Polished specimen of boulder opal from Australia

Size is: 48 x 40 x 40 mm

This photo has been shown 701 times

Photo added: 6th Nov 2009