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Boulder Opal >> 1 thru 15 of 20
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Queensland boulder has a very earthy feel to it, the freeform shape certainly adds to the character of this attractive piece of boulder. With the undulating surface, this specimen would definitely mak...   |
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Description coming soon. ... |
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These opals measure 27x7.5mm and 28x17mm. Description coming soon. ... |
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These opals measure 31x11mm and 23x17mm. Description coming soon. ... |
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Description coming soon. ... |
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These opals measure 38x18mm and 26x11.5mm. The larger opal has a nice cabochon cut and the smaller one has an undulating face. Description coming soon. ... |
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Description coming soon. ... |
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Sizes betwen 25.5x17.5mm and 12.5x7mm. Description coming soon. ... |
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Description coming soon. ... |
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Description coming soon. ... |
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Description coming soon. ... |
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These opals measure 29x2mm, 22x13mm, 15x12mm and 12x9.5mm. Description coming soon. ... |
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These opals measure 25x11mm, 28x19mm and 15x9.5mm. Description coming soon. ... |
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Five large pieces of boulder opal with sizes between 33x16mm and 21x9.5mm. Description coming soon. ... |
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14x9mm to 8x7.5mm. Description coming soon. ... |
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Boulder Opal
This unique type of Australian opal is just that, precious opal within a boulder host. The host rock is cut or split open, revealing its beautiful hidden treasure of boulder opal with colors including red, orange, green and blue. Found exclusively in small areas of Queensland, Australia.
A large portion of western Queensland contains some of the most beautiful opals Mother Nature has to offer. This opal is so beautiful that many who truly understand opal regard the best Queensland boulder opals to be of greater beauty than even the best Lightning Ridge black opals. These beautiful boulder opal gems look very flashy and so alive when set into jewelry.
Seams of boulder opal within the dense ironstone are of varying thickness and this is the reason much of this type of opal has an irregular surface. The cutter simply follows the irregular seams and then shapes the stone.
Where boulder opal has been split open it is not normally polished, simply shaped. The fractured surfaces have a great polish, as good as any opal cutter could ever hope for.