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Wilson 2002 and Wilson and Sereno 1998
Elasmosaurus teeth from the Upper Cretaceous from the Oulad Abdoun Basin are relatively more scarce than the Mosasaurus
Silicate minerals are
ureilites tend to have a high percentage of carbon (average 3% by weight) in the form of graphite and nanodiamonds
09107 - Superb Celestine Geode Madagascar - 616 g Onchopristis teeth collections Wilson 2002 and Wilson andCelestine is a mineral consisting of strontium sulfate (SrSO4). The mineral is named for its occasional delicate blue color. Celestine and the carbonate mineral strontianite are the principal sources of the element strontium, commonly used in fireworksand in various metal alloys.
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