32.62ct Quilpie Boulder Opal Stone | #13

Australian Boulder Opal:, Weight (carats), 32.62cts, Dimensions (millimeters), 26.11mm x 18.56mm x 19.19mm, Origin, Quilpie Mining District,

Loose Oval Cabochon Cut Australian Boulder Opal

1.6 Loose Rainbow Boulder Opal Stone

Australian Boulder Opal:, Weight (carats), 43.89cts, Dimensions (millimeters), 42.41mm x 18.69mm x 6.24mm, Origin, Quilpie Mining District,

43.89ct Quilpie Boulder Opal Stone | #28

Australian Boulder Opal:, Weight (carats), 33.18cts, Dimensions (millimeters), 38.63mm x 18.1mm x 6.74mm, Origin, Quilpie Mining District, Queensland,

33.18ct Quilpie Boulder Opal Stone | #45

Loose 3.10ct Purple Quilpie Boulder Opal Stone

33.18ct Patterned Quilpie Boulder Opal Stone

12.83ct Quilpie, Australian Boulder Opal Stone

Australian Boulder Opal:, Weight (carats), 25.97cts, Dimensions (millimeters), 36.76mm x 18.86mm x 6.6mm, Origin, Quilpie Mining District, Queensland,

25.97ct Quilpie Boulder Opal Boomerang Stone | #25

59.78ct Pear Shaped Loose Boulder Opal Stone

Seven Inch Polished Quilpie Boulder Opal Specimen

32.62ct Quilpie Boulder Opal Face on Vimeo

55.41ct Triangular Cut Boulder Opal Stone

Loose 21.75ct Quilpie Boulder Opal Stone

1689ct Polished Quilpie Boulder Opal Specimen