| 10.61ct BLUE IRIDESCENT MATRIX BOULDER OPAL AUSTRALIA |
| 9.98ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 12.35ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 14.80ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 15.20ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 11.34ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 3.66CT.RARE! BOULDER OPAL MULTI COLOR RAINBOW AUSTRALIA |
| 23.59ct BLUE MOSAIC SHINE MATRIX BOULDER OPAL AUSTRALIA |
| 10.50ct BLUE IRIDESCENT MATRIX BOULDER OPAL AUSTRALIA |
| BOULDER OPAL / AUSTRALIA/Cab/Specimen/gem/ROUGH |
| BOULDER OPAL SLICES 1 OUNCE LOT FIRES FROM AUSTRALIA |
| POSTCARD LANE ST BOULDER CITY WESTERN AUSTRALIA 1908 |
| 1.92CT.GENUINE! RAINBOW BOULDER OPAL (AUSTRALIA) RARE! |
| 8.44CT Natural Opal Solid Boulder Australia Gemstone NR |
| 2.08CT Natural Opal Solid Boulder Australia Gemstone NR |
| 2.27CT Natural Opal Solid Boulder Australia Gemstone NR |
| Huge 15.26 CT. Natural Opal Solid Boulder Australia NR |
| 5.03CT.Natural Opal Solid Boulder Australia Gemstone NR |
| 2.47 CT. Natural Opal Solid Boulder Australia Gem NR |
| BOULDER OPAL QUIGLEY AUSTRALIA GEM QUALITY. |
| 1.03 CT. Natural Opal Solid Boulder Australia Gem NR |
| 2.48 CT. Natural Opal Solid Boulder Australia Gem NR |