A nice blend of Koroit opals. Size - 10mm x 10mm x 5mm - 19mm x 12mm x 4mm. Weight - 28.25 Cts.
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Location - Queensland, Australia. Size - 10mm x 15mm x 6mm. Weight - 9.10 Cts.
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Koroit Boulder Opal from Australia. Large slice of boulder opal from Koroit showing lovely patterned displays and charming plays of colour. Region : Queensland. Material : Rough boulder opal. Gemstone : Boulder Opal.
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A large piece of Koroit Boulder Opal from Central Queensland, Australia. Region : Koroit, Queensland. A single piece of solid boulder opal, was sliced out of a larger piece to expose the bright colours.
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Koroit Boulder Opal Rough 77.5 ct. Beautiful Ironstone Nut covered in electric green & blues. You are buying direct from our mine - no 2nd hand dealing.
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Australian Boulder Opal Rough/Rub. Australian Opal. Base of opal. Mixed Flashes in Matrix. · Images of the rough opals are taking with water to show best colour when cut/polished. Multi Colour Red Blue Green.
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A single piece of Boulder Opal from Koroit, Queensland. Region : Koroit, Queensland. Material : Rough boulder opal. Gemstone : Boulder Opal. Cut / Shape : Rough. Colour : Multi-Coloured. Country of Origin : Australia.
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Region : Koroit, Queensland. Material : Rough boulder opal. Gemstone : Boulder Opal. Cut / Shape : Rough. Colour : Multi-Coloured. Country of Origin : Australia.
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