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847" and comes from Chevrolet's St
and Large specimens in a side-by-side comparison
and shows a subtle
NASA disposition paperwork received with this item indicates this particular tile was removed after the Challenger’s sixth mission (STS-41-G) which flew on October 5
The specimen in Age of Dinosaurs is a mixture of the portions of three distinct phases of the main eruption donated by Professor Gerta Keller of Princeton University
Bismuth Rainbow Crystal Staircase - 1.974" shrimp 847" and comes from Chevrolet'sBismuth 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 1. 974". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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