Natural 9.59 Ct rainbow Australian boulder opal mined by Sue Cooper

This amazing 5.89 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed t...

This unique 20.39 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2020. Sue processed the rough opal herself and cut in...

This beautiful 11.52 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in Western Queensland, Australia in 2021. Sue processed the rough opal herself and cut...

This beautiful 20.94 Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine in western Queensland, Australia in 2020. Sue processed the rough opal herself and c...

This exceptional boulder Koroit Opal is a true masterpiece of nature, showcasing a captivating array of colors and patterns. Mined from the Australian outb...

This Australian Loose Boulder Opal is of impressive 5.50ct (19mm x 12mm x 4mm) from Winton, Queensland displaying the superb & truly unique spectrum of colours: from striking Indigo & Sky Blue to superb vivid Emerald Green The beauty of this spectacular opal is truly dazzling, particularly under different lightings: the gem displays the most magnificent spectrum The gem can be set in precious metals & turned into a piece of jewelry (pendant for example) - please message us for details! Australian Boulder opal is the second most valuable type of opal. Mined from the large ironstone boulders under the ground, boulder opals are easily recognisable by the layer of solid brown ironstone...

2.90 Carats Australian Opal Orange blue green multiple play of color gemstone Gemstone : Opal Doublet Weight : 2.90 Carats Size : 15.5x8.5 MM Quantity - 1 Piece Shape - Fancy Play ...

This Australian Loose Boulder Opal is of impressive 9.00ct (21mm x 14mm) displaying the superb & truly unique spectrum of colours Australian Boulder opal is the second most valuabl...