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especially those with reflective/metallic elements like the Amazon Water Vial
but some have been known to go after fish and birds as well
331" fossilized chunk of Megacerops bone from South Dakota's Chadron Formation
On May 1st
Bismuth Rainbow Crystal Staircase - 1.869" salyut especially those with reflective/metallic elementsBismuth 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. 869". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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