Manhattan Project Shield Window Fragment - SOLD 124g literature Above: Medium (top) and Small

Above: Medium (top) and Small (bottom) Specimens together

the Chicxulub impactor was 6 miles (9

this is a unique collectible from one of the greatest achievements in human history

The process of molecular polymerization also preserves traces of climate and life in nearly perfect condition

From one of the most violent processes on Earth comes one of the lightest natural minerals in existence…

Manhattan Project Shield Window Fragment - SOLD 124g literature Above: Medium (top) and SmallThis specimen is a 124 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,