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Opal (Var: Precious Opal)


Opal (Var: Precious Opal) : SiO2·nH2O

Photo Copyright © Sarah Sudcowsky  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Queensland, Australia
The size is about cm 8 x 6 x 3.
The opal coating is really gemmy and with bright colours between electric blue and deep blue acquamarine.Partly polished, with much iron in the matrix.
Sarah Sudcowsky collection

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