Boulder Opal Queensland Australia
Boulder Opal Queensland Australia
Boulder Opal Queensland Australia
Boulder Opal Queensland Australia
Boulder Opal Queensland Australia

Boulder Opal Queensland Australia

Regular price $272.25

Up for sale is a lovely, large specimen of Boulder Opal.

The specimen features of bueatiful multi colored layers of Opal on a facade of the specimen. 

Opal is originally formed from a solution of silica in water, hydrated silica. The silica as concentrated by evaporation to a state of gel, which then filled cracks and cavities in sandstone, ironstone and basalt, and further evaporation of the water caused the gel to set into Solid Opal.

The piece measures: 1.3" x 1.2" x 1.2" (34mm x 31mm x 31mm)

Weight: 50g (250 carats)

This piece is from mines in the Winton, Queensland, Australia.18-0043


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