Manhattan Project Shield Window Fragment - SOLD 133g bracelets Above: The sky after the

Above: The sky after the meteorite’s descent was captured by artist Pyotr Medvedev

Each specimen ships in its very own glass-topped riker display case and includes authenticity information

Agatized wood is an incredible fossil material made from prehistoric trees

This tooth is a molar

It is 100% cotton

Manhattan Project Shield Window Fragment - SOLD 133g bracelets Above: The sky after theThis specimen is a 133 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,