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![10 Amazing Facts About Opals [With Pictures] | Opal Auctions](https://df2sm3urulav.cloudfront.net/tenants/oa/uploads/content/5968374a6beb1.jpg "10 Amazing Facts About Opals [With Pictures] | Opal Auctions")
10 Amazing Facts About Opals [With Pictures] | Opal Auctions
Black Opals | Lightning Ridge | Description & Info | Australia
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Australian Opals
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