2.34 Carat Loose Australian Boulder Opal

Item: NO RESERVE Australian Boulder Opal Loose Gemstone: Boulder Opal Carat Weight: 2.34 Size/Dimensions: 10.4 mm x 8.2 mm x 3.9 mm Shape: Oval / Origin: Koroit Opal Fields, Australia / Treatment: Non

Item: NO RESERVE Australian Boulder Opal Loose Gemstone: Boulder Opal Carat Weight: 1.19 Size/Dimensions: 8.1 mm x 6.5 mm x 2.5 mm Shape: Oval  / Origin: Koroit Opal Fields, Australia / Treatment: N

28x17x4mm Weight: 19 Carat

14x12x4mm Weight: 7 Carat

19x15x6mm Weight: 18 Carat

17x13x4mm Weight: 6 Carat

25x20x6mm Weight: 39 Carat

16x13x3mm Weight: 8 Carat

12x9x6mm Weight: 7 Carat

23x19x4mm Weight: 14.5 Carat

14x9x4mm Weight: 6 Carat

23x16x4mm Weight: 14 Carat

21x21x5mm Weight: 28 Carat

26x21x5mm Weight: 22 Carat

29x18x6mm Weight: 27.5 Carat

Item: Australian Black Opal - Lightning Ridge Loose Gemstone: Black Opal Carat Weight: 1.2 Size/Dimensions: 10 mm x 6 mm x 3.8 mm Shape: Freeform  / Origin: Lighting Ridge, Australia / Treatment: No

Total carat weight of 21.7

Total carat weight of 28.55

Total carat weight of 23.5

10.69ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.69ct Measures 21.8mm x 14.3mm

10.46ct NATURAL AUSTRALIAN BOULDER OPAL Natural Untreated boulder opal from Australia10.46ct Measures 16.5mm x 9.8mm Polished cabochon, beautiful

Dimension: 23.8x16.6mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australi

19x10x4mm Weight: 8Ct

Dimension: 21.8x15.1mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australi