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,

Loose Quilpie Boulder Opal Stone for Sale

Rough Quilpie Boulder Opal Specimen

26.25ct Quilpie Boulder Opal Teardrop Shaped Stone

151.32ct Loose Purple Boulder Opal Stone

Polished Australian Boulder Opal Stone for Sale

Flow Pattern Quilpie Boulder Opal Stone

Exceptionally Bright Quilpie Boulder Opal Boomerang Stone

1689ct Polished Quilpie Boulder Opal Specimen

Australian Boulder Opal:, Weight (carats), 21.75cts, Dimensions (millimeters), 27.15mm x 13.81mm x 5.93mm, Origin, Quilpie Mining District,

21.75ct Quilpie Boulder Opal Stone | #9

62.42ct Loose Australian Boulder Opal Stone

Australian Boulder Opal:, Weight (carats), 20.87cts, Dimensions (millimeters), 35.21mm x 14.48mm x 5.29mm, Origin, Quilpie Mining District,

20.87ct Quilpie Boulder Opal Stone | #2

Exceptionally Bright Quilpie Boulder Opal Boomerang Stone

59.78ct Pear Shaped Loose Boulder Opal Stone

62.36ct Orange Striped Boulder Opal Stone