Bismuth Rainbow Crystal Staircase - 1.792" devonian 06" polished Cleoniceras fossil from

06" polished Cleoniceras fossil from Madagascar

the Second Edition collection spans billions of years of history

Robert Bruce Horsfall

measuring at about the size of a large dog

The eggs themselves were up to 7 inches (17

Bismuth Rainbow Crystal Staircase - 1.792" devonian 06" polished Cleoniceras fossil fromBismuth 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. 792". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to