Manhattan Project Shield Window Fragment - SOLD 136g rikers black obsidian beads for a

black obsidian beads for a refined look that is beautiful solo but pairs well with our Asteroid Belt Bracelet or other treasures you may already own

On receipt

Tunguska Event Surviving Tree

but it should be noted that every slice will display some variation

Director USU Eastern Prehistoric Museum

Manhattan Project Shield Window Fragment - SOLD 136g rikers black obsidian beads for aThis specimen is a 136 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,