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Lot 0196
Dimensions (mm): 27 x 16 x 5mm. Weight (carats): 20.05 carats.The Koroit opal field is known for the very distinctive type of boulder opal that is found in its mines. Here opal is found as a kernel in small concretions. Each opal is individually cut and polished by hand. - 9069-010818-OA-62988

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20.05ct View Koroit Boulder Opal

Estimate $250 - $500Mar 24, 2018