Weight: 466g or 2330ct. Origin: Quilpie - Australia. This is a Massive Boulder Opal where the iron ions crystalized in giving similar shape to petrified wood. Gemstone Type: Boulder Opal. This gem has massive amounts of opal with strong Vivid sky blue colors.
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Koroit Boulder Opal Rough Piece 920crt - BO-121. Koroit Boulder Opal Rough piece with exposed areas of stone pattern, blue and green colour pattern to expose. Mine - Koroit Boulder. Kinglet Luxuries - UK Fine Gemstone Collectors.
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Solid Boulder Opal from Queensland, Australia. A team of opal cutters on the Gold Coast of Queensland Australia. Being passionate about opals, we strive to bring out the best shapes and polish on all the opals we cut.
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Origin: Yowah - Australia. This is an Astonishing Boulder Opal where the iron ions crystalized in giving similar shape to petrified wood. Gemstone Type: Boulder Opal. Looks like a tree branch or a part of the Amazon River with the opal blue color.
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50cts in size. Watch video for a clearer look of the stone.
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135cts in size.
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About Boulder Opal:Boulder opals which are mined only in central Queensland Australia, are fund in ironstone. DETAILS: No7828 Natural solid boulder opal loose stone5.75ct. Stone Natural solid boulder opal.
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Proudly crafted in our Sydney studio, all Hallmarks, including maker's hallmark, 375 9 kt hallmark and Country of origin hallmark (Australia).
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