Australian Queensland Boulder High Grade Matrix opal 3.9cts rub / rough / preform Koroit veins of Vibrant Multifires 11x7x3mm BFA20 US$ 65.00 Min. order: 1 piece ★★★★★ 4.6 (34 reviews) Sold : Login>>
Australian Queensland Boulder Matrix opal 105cts faced rough Koroit veins of Blue fires of mixed tones 35x31x8mm BFA12 US$ 60.00 Min. order: 1 piece ★★★★★ 4.0 (256 reviews) Sold : Login>>
Australian Queensland Boulder opal Polished Gemstone 11.65cts From Winton 25x14x4mm BFC08 US$ 60.00 Min. order: 1 piece ★★★★★ 4.6 (207 reviews) Sold : Login>>