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This specimen is a fragment of rough opalized plant material from Lightning Ridge in NSW
Each item is an exquisite gemstone from a unique creature
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Comparative geochemical studies suggest that the waters of Fossil Lake lacked the oxygen needed to sustain scavengers
Manhattan Project Shield Window Fragment - SOLD 190g theropod This specimen is a fragmentThis specimen is a 190 gram fragment of a leaded glass shield window installed in the T Plant (221 T) Plutonium Recovery Building, the first and largest of two production bismuth phosphate chemical separations plants used to extract plutonium from fuel rods irradiated in the Hanford Sites reactors. The Plutonium produced here was used in both the Trinity test on July 16, 1945, and in the "Fat Man" atomic bomb used over Nagasaki, Japan on August 9,
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