Australian Coober Pedy Opal Cabochons - 9x6x4 mm each - 4.38 ct (6)
矿物拍卖 (未雕琢和粗糙的蛋白石)
Opal from Mintabie, bright colour change rolling flash - 24 x 16.5 x 4.7 mm - 12,21cts
Spectacular Large 72.55 CT Natural Ethiopian Crystal Black Opal Play Of Color Rough Specimen
Boulder opal - 17.7 x 11.6 x 4.3 mm - 8.1 ct
Semi Black Welo Opal Snake Skin Pattern - 20.30x16.40x10.20 mm - 13.98 ct
Fine contraluz opal - 31.3 x 21.2 x 13.4 mm - 47,75 ct
Large "Rainbow" Australian Opal on matrix - 9 x 7 x 5 cm - 470 g
Natural Australian Boulder opal - 20 x 11 x 3.7 mm - 5.58 ct
Pipe wood fossil boulder opal Stone - 1,4 x 1,3 x 0,5 cm - 6 ct
Huge Top Quality Crystal Opal Phantom inclusion - 25.6 x 14.8 x 10.3 mm - 21.16 ct
Natural Doublet Australian Opal - 3.8ct (10)
Lot of Australian Rainbow Flashing Opal Doublet - 3.01 Ct (2)
Crystal Welo Opal - 21.00x13.00x5.10 mm - 7.64 ct
Natural Australian Boulder Opal Cut Stone - 27 x 20 x 7 mm - 34.50 ct
Natural Australian Boulder Opal Cut Stone - 31 x 16 x 8 mm - 40.00 ct
Natural Rough Rubbed Rubs/Pre shaped 6 mile field Genuine Coober Pedy Opal - 11,7 ct (7)
Semi Black Welo Opal Snake Skin Pattern - 15.20x10.50x7.30 mm - 4.96 ct
Outstanding Fire 360* Flashy Harlequin Welo-Ethiopian Black Opal - 17.32 x 12.75 x 7.61 mm - 7.00 ct
Lightning Ridge fossil/crystal opal specimens/rough 361 ct Multi-colours
Lightning Ridge fossil/crystal opal specimens/rough 117ct multi-coloured