![KOROIT QUEENSLAND BOULDER OPAL 5.3c GEMSTONE POLISHED CABOCHON UNSET OCA15911](https://i.ebayimg.com/thumbs/images/g/6tsAAOSwsZpkViLI/s-l140.jpg) | KOROIT QUEENSLAND BOULDER OPAL 5.3c GEMSTONE POLISHED CABOCHON UNSET OCA15911 AUD 69.0 Category : Loose Gemstones Seller : opalcraftaus(6096, 100.0%) | ![8.17 ct Premium Fancy (22 x 14 mm) Multi Color Australian Koroit Boulder Opal](https://i.ebayimg.com/thumbs/images/g/uZIAAOSwoLBjwm6v/s-l140.jpg) | 8.17 ct Premium Fancy (22 x 14 mm) Multi Color Australian Koroit Boulder Opal USD 78.29 Category : Loose Gemstones Seller : deluxegems(43884, 99.4%) |
![Polished Boulder Opal Koroit Multicolour Matrix 133.6 Ct Lapidary Australian](https://i.ebayimg.com/thumbs/images/g/a7sAAOSwrpxk7rm~/s-l140.jpg) | Polished Boulder Opal Koroit Multicolour Matrix 133.6 Ct Lapidary Australian AUD 430.0 Category : Loose Gemstones Seller : opal_obsession(2375, 100.0%) | ![Polished Boulder Opal Koroit Blue Matrix Specimen 42.55 Ct Lapidary Australian](https://i.ebayimg.com/thumbs/images/g/MbQAAOSw9thkm4uF/s-l140.jpg) | Polished Boulder Opal Koroit Blue Matrix Specimen 42.55 Ct Lapidary Australian AUD 195.0 Category : Loose Gemstones Seller : opal_obsession(2373, 100.0%) |
![Polished Black Boulder Opal Koroit Blue Green Matrix Specimen 46.8 Ct Lapidary](https://i.ebayimg.com/thumbs/images/g/33EAAOSwBVplG2~I/s-l140.jpg) | Polished Black Boulder Opal Koroit Blue Green Matrix Specimen 46.8 Ct Lapidary AUD 750.0 Category : Loose Gemstones Seller : opal_obsession(2373, 100.0%) | ![Boulder Opal Cabochon, Yowah Nut, Koroit Boulder Opal, Matrix Boulder Opal](https://i.ebayimg.com/thumbs/images/g/v1MAAOSwG5Jk5LNw/s-l140.jpg) | Boulder Opal Cabochon, Yowah Nut, Koroit Boulder Opal, Matrix Boulder Opal AUD 108.0 Category : Loose Gemstones Seller : outback_opal(178, 100.0%) |
![Victoria: Registered Cover: Koroit-Manager, Tasmanian News, Hobart,17-21 No 1904](https://i.ebayimg.com/thumbs/images/g/5MEAAOSwtA1l7f1l/s-l140.jpg) | Victoria: Registered Cover: Koroit-Manager, Tasmanian News, Hobart,17-21 No 1904 GBP 16.95 Category : States & Territories Seller : 809simon(10402, 100.0%) | ![Polished Boulder Opal Blue Purple Koroit Matrix Specimen 47.8 Carat Lapidary](https://i.ebayimg.com/thumbs/images/g/6PoAAOSwQy1lZpUp/s-l140.jpg) | Polished Boulder Opal Blue Purple Koroit Matrix Specimen 47.8 Carat Lapidary AUD 550.0 Category : Loose Gemstones Seller : opal_obsession(2373, 100.0%) |
![20.27TCW Natural AUSTRALIAN Koroit Boulder Opal Stone](https://i.ebayimg.com/thumbs/images/g/kzUAAOSwVL1k7Vlh/s-l140.jpg) | 20.27TCW Natural AUSTRALIAN Koroit Boulder Opal Stone USD 800.0 Category : Loose Gemstones Seller : larry1a(16258, 99.3%) | ![Lovely 10ct Natural Australian Solid Koroit Boulder Opal * See Video Clip](https://i.ebayimg.com/thumbs/images/g/epgAAOSw07VkdC8F/s-l140.jpg) | Lovely 10ct Natural Australian Solid Koroit Boulder Opal * See Video Clip USD 120.0 Category : Loose Gemstones Seller : opals-downunder(9840, 99.4%) |
![Australian Koroit Boulder Opal Rough 3 PENDANT BUNDLE #4009](https://i.ebayimg.com/thumbs/images/g/2AAAAOSwUCpmaS7C/s-l140.jpg) | Australian Koroit Boulder Opal Rough 3 PENDANT BUNDLE #4009 AUD 45.0 Category : Loose Gemstones Seller : outback_opals_australia(72, 100.0%) | ![Veins of Color * 24ct Natural Australian Solid Koroit Boulder Opal * See Video](https://i.ebayimg.com/thumbs/images/g/iokAAOSwZZFlDO2v/s-l140.jpg) | Veins of Color * 24ct Natural Australian Solid Koroit Boulder Opal * See Video USD 375.0 Category : Loose Gemstones Seller : opals-downunder(9840, 99.4%) |
![2.00 ct Astonishing Fancy (18 x 6 mm) Multi Australian Koroit Boulder Opal](https://i.ebayimg.com/thumbs/images/g/-i8AAOSwiC9iaSlp/s-l140.jpg) | 2.00 ct Astonishing Fancy (18 x 6 mm) Multi Australian Koroit Boulder Opal USD 17.99 Category : Loose Gemstones Seller : sinceregems(12663, 98.4%) | ![Australian Koroit Nuts opal lot of cut polished stones, rubs nice 869 cts](https://i.ebayimg.com/thumbs/images/g/mxIAAOSwo3hiutkT/s-l140.jpg) | Australian Koroit Nuts opal lot of cut polished stones, rubs nice 869 cts GBP 20.0 Category : Loose Gemstones Seller : shannasattic(2968, 100.0%) |
![2.41 ct Best Fancy Shape (10 x 8 mm) Multi Color Australian Koroit Boulder Opal](https://i.ebayimg.com/thumbs/images/g/ozMAAOSw8gpjwnOO/s-l140.jpg) | 2.41 ct Best Fancy Shape (10 x 8 mm) Multi Color Australian Koroit Boulder Opal USD 29.99 Category : Loose Gemstones Seller : sinceregems(12663, 98.4%) | ![Dark Body * 54ct Natural Australian Koroit Nut Boulder Opal Pendant * See Video](https://i.ebayimg.com/thumbs/images/g/DBwAAOSwMeFkbZEO/s-l140.jpg) | Dark Body * 54ct Natural Australian Koroit Nut Boulder Opal Pendant * See Video USD 200.0 Category : Loose Gemstones Seller : opals-downunder(9840, 99.4%) |
![Edelstein Anhänger gebohrt G-P Tropfen Freeform Trommelsteine Ketten Steinschatz](https://i.ebayimg.com/thumbs/images/g/PioAAOSwttNl~T-Y/s-l140.jpg) | Edelstein Anhänger gebohrt G-P Tropfen Freeform Trommelsteine Ketten Steinschatz EUR 32.9 Category : Heilsteine Seller : steinschatz(9781, 99.6%) | ![Green & Violet * 9ct Natural Australian Solid Koroit Boulder Opal * See Video](https://i.ebayimg.com/thumbs/images/g/pnEAAOSwm9NlLHKC/s-l140.jpg) | Green & Violet * 9ct Natural Australian Solid Koroit Boulder Opal * See Video USD 165.0 Category : Loose Gemstones Seller : opals-downunder(9840, 99.4%) |
![Polished Boulder Opal Koroit Red Matrix 28.05 Carat Lapidary Specimen Australian](https://i.ebayimg.com/thumbs/images/g/C4wAAOSwWqVk5BnV/s-l140.jpg) | Polished Boulder Opal Koroit Red Matrix 28.05 Carat Lapidary Specimen Australian AUD 280.0 Category : Loose Gemstones Seller : opal_obsession(2373, 100.0%) | ![Color-Filled Veins * 20ct Natural Australian Solid Koroit Boulder Opal * Video](https://i.ebayimg.com/thumbs/images/g/5YIAAOSwyhVkdC~2/s-l140.jpg) | Color-Filled Veins * 20ct Natural Australian Solid Koroit Boulder Opal * Video USD 240.0 Category : Loose Gemstones Seller : opals-downunder(9840, 99.4%) |