3.86cts 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	3.86 cts
Dimensions	14.5 × 11.8 × 3.8 mm
Certified	No
Origin	Australia
Type	Cabochon
Treatment	None