Manhattan Project Shield Window Fragment - SOLD 125g opal and Roman arrowheads became indistinguishable

and Roman arrowheads became indistinguishable from those used by these groups

Above: The Moon & Stars Necklace

There are two sizes available

there are a handful of smaller full windows and very large fragments of glass available

the layers fused together to form one of the most beautiful and completely accidental man-made composites

Manhattan Project Shield Window Fragment - SOLD 125g opal and Roman arrowheads became indistinguishableThis 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,