Superb 31.30ct untreated Australian Boulder Opal

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This opal has rich swirling earth tones with veins of blue opal crystal and a glistening liquid luster that shines across its smooth polished surface. It has a fancy triangular cabochon cut and meaures 30.5mm x 23.3mm x 4.9mm. Sourced from Australia. Unheated.
Item Details
Lot Number:
4031306
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