About Boulder Opal:Boulder opals which are mined only in central Queensland Australia, are fund in ironstone. DETAILS: No8841 Natural solid boulder opal loose stone. Stone Natural solid boulder opal.
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Koroit Boulder Opal Rough Red Fire 95crt - BO-162. Koroit Boulder Opal Rough piece with exposed area of red, green and blue fire colour. Mine - Koroit Boulder. Kinglet Luxuries - UK Fine Gemstone Collectors.
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The Boulder Opal from Australia is mostly found in Queensland and the rock is often ironstone and petrified wood. Boulder Opal can be black, white, light and crystal or a combination of them all making it very unique.
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The Boulder Opal from Australia is mostly found in Queensland and the rock is often ironstone and petrified wood. Boulder Opal can be black, white, light and crystal or a combination of them all making it very unique.
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38cts in total for all 6 pieces. (LOW GRADE).
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Stone: Natural Boulder Opal Location: Australia- Queensland- Winton Cut: Rough Patterns: Matrix Dome: N/A Colour:🟩🟦🟪🟨 Brightness: 5 Length: 38mm Width: 30mm Depth: 13mm Weight: 28g Treatment: None Clarity: Possibly Included Reference: B5
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About Boulder Opal:Boulder opals which are mined only in central Queensland Australia, are fund in ironstone. DETAILS: No8930 Natural solid boulder opal loose stone. Stone Natural solid boulder opal.
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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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