Description
Boulder Opal Unset
lovely deep green boulder opal in an oval shape. would suit a stunning ring or pendant. Comes with gem bag along with FREE SHIPPING
Boulder opal comes from the opal fields of Australia, Queensland mines. A type of black opal, the stone comes naturally with an ironstone background giving it the same effect as black potch does on black opal from Lightning Ridge.
It has been said that boulder opals often are brighter than black opals and this would be because the surface color is often very thin, allowing the brilliance of the stone to expand.
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