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This 12-Specimen version contains a carefully selected group of items designed to highlight key items within the massive Fifth Edition collection
and in the "Fat Man" atomic bomb used over Nagasaki
This specimen is a fragment of a Gastornis eggshell from Provence
making the specimens really pop
Bismuth Rainbow Crystal Staircase - 2.117" dimetrodonbig This 12-Specimen version contains aBismuth is an element (Bi 83) best known for its unusual staircase shape, the result of bismuth atoms attaching to the edge of a rapidly growing crystal. This is called hoppering, when atoms are drawn to the edge of a structure, creating a lattice formation. This specimen is a Bismuth Rainbow Crystal, measuring 2. 117". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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