Boulder Opal

Planet Corroboree Verified independent store

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Rough Bolder Opal piece from West QLD 11cm L x 9cm W x 2/4cm H Purchased directly from the Opal miner. Australia is the world’s most famous source of boulder opal. Much of it is in a brown ironstone with streaks and patches of precious opal. Some forms when precious opal infills fractures, or the cavities of concretions, invertebrate fossils, and petrified wood. Show more