41ct Natural Koroit Boulder Opal
AUD 1,44932ct Koroit Boulder Opal
AUD 457Koroit and Yowah Boulder Opals are very different to Opals discovered in other areas of Queensland in Australia. They often contain beautiful veins of colors.Read More
Koroit and Yowah Boulder Opals are very different to Opals discovered in other areas of Queensland in Australia. They often contain beautiful veins of colors.Read More