11.82cts Koroit Boulder Opal

Koroit is a tiny town in western Queensland that creates a hugely popular type of Boulder Opal. With mixing colors and amazing patterns, these stones truly capture the colors of the outback

Weight	11.82 cts
Dimensions	24 × 9.4 × 2.4 mm
Certified	No
Origin	Australia
Type	Cabochon
Treatment	None