Opalised fossils from Lightning Ridge, N.S.W, Australia. From the collection of the Australian Opal Center. Clockwise from top left: freshwater snail; plesiosaur tooth; crocodile tooth; pine cone; ...
Cloaked in white dust and surrounded by expansive plains, the town of Lightning Ridge produces the bulk of the world’s precious black opal. This rare gemstone, prized for its dazzling play of color, ...
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