fossilporn:An opalized jaw of a Cretaceous aged freshwater from Lightning Ridge, Australia. Lightni
fossilporn:An opalized jaw of a Cretaceous aged freshwater from Lightning Ridge, Australia. Lightning Ridge is the main source of the world’s black opals and is also home to some of the world’s only opalised fossils. From the article, Jenni Brammall on opals, fossils and living in Lightning Ridge -- source link
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