Koroit Boulder Opals
Large Boulder Opal Specimen 145 ct
USD $1,600
Koroit Boulder Opal Pair 77.7 ctw
USD $1,200
Koroit Boulder Opal 41 ct
USD $1,200
Koroit Boulder Opal 19.6 ct
USD $890
Koroit Boulder Opal 146.94 ct
USD $600
Koroit Boulder Opal 33 ct
USD $550
Koroit Boulder Opal 34.75 ct
USD $435
Boulder Opal Pair 41.2 ctw
USD $420
Koroit Boulder Opal 22.24 ct
USD $385
Koroit Boulder Opal 92.35 ct
USD $350
Koroit Boulder Opal 78.76 ct
USD $320
Australian Boulder Opal 32 ct
USD $280
Koroit Boulder Opal 45.77 ct
USD $250
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