1.89 ct Pleasant Fancy (12 x 8 mm) (Un-Heated) Australia Boulder Matrix Opal | eBay
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13.15ct Australian Boulder Matrix Opal Stone
Australian Boulder Matrix Opal 20.02ct at Treasurion.com
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Australian Boulder Matrix Opal Pendant in 14K Gold, Diamonds. Beautiful. - 424-00055 - The Opal Man
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39ct Australian Boulder Matrix Opal Drilled Pendant
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Boulder Matrix Opal Stone From Queensland Australia 39.5ct - Etsy