Australian Loose Boulder Opal of 9.00ct. 21mm x 14mm.

This Australian Loose Solid Opal is of impressive 7.50ct (27mm x 12mm) from Lightning Ridge Displaying truly unique spectrum of colours, with striking flashes of orangy-yellow, f...

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...

This Australian Loose Solid Opal is of impressive 7.50ct (18mm x 15mm) of unusual triangle shape, from Lightning Ridge Displaying truly unique spectrum of colours, with striking f...

Performed in 18K White Gold, the ring is centrally set with a magnificent Australian Solid Opal of desirable oval shape, of impressive 3.50ct approx. (15 mm x 12 mm approx.), f...

This beautiful 4.38 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in western Queensland, Australia in 2023. Sue processed the r...

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...

Small Round Australian Boulder Opal 0.50ct Loose Gemstone Jewelry Making. Free Domestic USPS First Class Shipping! Free Gift Bag/Box with every order! Every Opal piece is Unique. W...

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...