172.75ct Quilpie Boulder Opal Stone | #8 Larimar 5 million years ago created

5 million years ago created the ideal conditions to turn the dirt at the crash site to glass

and blue crystal cubes

and California

48mm (including stone)

172.75ct Quilpie Boulder Opal Stone | #8 Larimar 5 million years ago createdAustralian Boulder Opal: Weight (carats) 172. 75cts Dimensions (millimeters) 51. 92mm x 35. 71mm x 12. 97mm Origin Quilpie Mining District, Queensland, Australia Shape Polished Pear Shaped Cabochon Colors blue, purple, violet Brightness of Color Play ( 1 to 5+) 1 Darkness of Body (+1 to 5 ) N A Treatments Enhancements none, natural SKU Number #8 Additional Notes: Large polished boulder opal stone that would work most ideally as a pendant or men's