Manhattan Project Shield Window Fragment - 125g rockinaboxfulgurite Above: A Large Otodus specimen

Above: A Large Otodus specimen in hand

capturing the essence of the blue moon phenomenon

“The Absolute Chronology and Thermal Processing of Solids in the Solar Protoplanetary Disk

Included is a fragment of the wedding cake from Charles and Diana's royal wedding

The traditional birthstone of February

Manhattan Project Shield Window Fragment - 125g rockinaboxfulgurite Above: A Large Otodus specimenThis specimen is a 125 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,