Bismuth Rainbow Crystal Staircase - 1.974" rockinaboxtethys It includes all 29 specimens

It includes all 29 specimens from the Fourth Edition collection

813" in length

57" pair of Ordovician Ophiurida Brittle Stars

including dinosaurs

45" polished Cleoniceras fossil from Madagascar

Bismuth Rainbow Crystal Staircase - 1.974" rockinaboxtethys It includes all 29 specimensBismuth 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