Bismuth Rainbow Crystal Staircase - 1.675" britishhistory Red Planet Obsidian is a

Red Planet Obsidian is a volcanic glass found in northwestern Mexico

In the Roman Empire

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Above: Back of Specimen Card

AMAZON RIVER

Bismuth Rainbow Crystal Staircase - 1.675" britishhistory Red Planet Obsidian is 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 1. 675". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to