172.75ct Quilpie Boulder Opal Stone | #8

Australian Boulder Opal:, Weight (carats), 172.75cts, Dimensions (millimeters), 51.92mm x 35.71mm x 12.97mm, Origin, Quilpie Mining District,

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62.42ct Loose Australian Boulder Opal Stone

Australian Boulder Opal:, Weight (carats), 172.75cts, Dimensions (millimeters), 51.92mm x 35.71mm x 12.97mm, Origin, Quilpie Mining District,

172.75ct Quilpie Boulder Opal Stone | #8

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