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33g Campo Del Cielo meteorite from Argentina
dendrites are incredible inorganic formations that occur solely due to interactions between physics and geochemistry
89" polished Cleoniceras fossil from Madagascar
all destined for the battlefields of the Great War
an enamel pin honoring your favorite dinosaur
Bismuth Rainbow Crystal Staircase - 1.597" dendrite 33g Campo Del Cielo meteoriteBismuth 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. 597". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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