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Cretaceous Period, 145-65 million years BP. A Rebbachisaurus sp. dinosaur vertebra. 239 grams, 90mm (3 1/2"). From the Kem Kem beds, Morocco; fro...
An unusually patterned slab of picture sandstone from Utah, USA, with numerous swirls and layers highlighted in iron oxide minerals, all represent...
Two pieces of native gold mounted in a perspex display box. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.114-115. 0.12 grams total, (...
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