0.50ct Natural Australian Precious Opal

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Gemstone Australian Crystal Opal Weight (ct) 0.50 Colour Green Blue Yellow Origin Lightning Ridge Dimensions (mm) 5.7 x 7.5 x 1.7 Shape Oval Mineral Natural Opal Body Tone Black Tr eatments None Hardness 5.5 - 6.5 Birthstone October Libra Comments - Show more