27.93 ctz Natural Australian Boulder Opal

No Reserve! Title: 27.93 ctz Natural Australian Boulder Opal Color/Clarity: Wooden Play Of Colors / Opaque Gemstones: Opal Carat Weights: 27.93 Size/Dimensions: 34.80 x 18.55 x 7.00 Additional Info: P

No Reserve! Title: 36.62 ctz Natural Australian Boulder Opal Color/Clarity: Wooden Play Of Colors / Opaque Gemstones: Opal Carat Weights: 36.62 Size/Dimensions: 26.55 x 23.05 x 6.50 Additional Info: F

No Reserve! Title: 40.03 ctz Natural Australian Boulder Opal Color/Clarity: Wooden Play Of Colors / Opaque Gemstones: Opal Carat Weights: 40.03 Size/Dimensions: 36.20 x 21.50 x 6.70 Additional Info: F

No Reserve! Title: 34.07 ctz Natural Australian Boulder Opal Color/Clarity: Wooden Play Of Colors / Opaque Gemstones: Opal Carat Weights: 34.07 Size/Dimensions: 33.15 x 19.65 x 7.00 Additional Info: P

No Reserve! Title: 38.97 ctz Natural Australian Boulder Opal Color/Clarity: Wooden Play Of Colors / Opaque Gemstones: Opal Carat Weights: 38.97 Size/Dimensions: 33.10 x 20.35 x 7.00 Additional Info: F

Mineral : Natural Australian Boulder OpalDimensions: mm 25x13x5 Weight: Cts. 15.25 Origin (Region/ City):Quilpie, QLD, Origin (Country):Australia The Yowah opal field located in Queensland Australia i

Mineral Form: Natural Australian Opal

Mineral : Natural Australian Boulder Opal Dimensions:30x26x6 mm Weight:53.40 Cts Origin (Region/ City):, Queensland Origin (Country): Australia Pictures taken with high resolution camera on differ

Mineral: Natural Australian Boulder Opal Dimensions:31x29x7 mm Weight:40.70 cts Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgro

Mineral: Natural Australian Boulder Opal Dimensions:32x20x6 mm Weight:24.60 Cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgr

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

Mineral: Natural Australian Boulder Opal Dimensions:27x20x9 Weight:40.25 cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgroun

Mineral : Natural Australian Boulder Opal Dimensions:39x18x9 mm Weight:52.40 cts Origin (Region/ City):, Queensland Origin (Country): Australia Pictures taken with high resolution camera on differ

Mineral: Natural Australian Boulder Opal Dimensions:40x20x8 mm Weight:52.80 Cts. Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgr

Mineral: Natural Australian Boulder Opal Origin(Region/City):Queensland Origin(Country):Australia Pictures taken with high resolution camera on different backgrounds in order to depict the item as rea

Mineral :Natural Australian Boulder Opal Dimensions:36×33×7 mm Weight:13.73Cts Origin (Region/ City):Yowah, Queensland Origin (Country):Australia The Yowah opal field located in Queensland Australia

23x18x12mm Weight: 80.43Ct

Dimension: 35x26mm 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 Australian L

26x16x8mm Weight: 71.88Ct

Dimension: 22x15mm 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 Australian L

Dimension: 16 x 14 x 9 mm

Dimension: 21x18mm 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 Australian L

Dimension: 91.6x46.2mm 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