Opale masso Koroit australiano multicolore forma fantasia 13,47 ct (26 x 15 mm)

13.47 ct Great looking Fancy Shape (26 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone. Gem Type Boulder Opal. Shape Fancy. Rare Stone! Unheated / Untreated Multi Color Orgin From Australia.

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