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Black opals from Lightning Ridge are particularly prised for their play-of-color and rarity, which are sometimes priced at over $10,000 per carat.
The Lightning Ridge Opal and Gem Festival is a four day event that includes the Opal Queen Ball, Opal and Gem Expo, IOJDAA Trade Show, and IOJDAA Jewellery Competition which is held biannually. The ...
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