Bismuth Rainbow Crystal Staircase - SOLD 1.17" volcanoes This specimen is a beautiful

This specimen is a beautiful polished Cleoniceras fossil from Madagascar

Challenger

959 passengers aboard

only the Large size will be available but we are planning to create a stand for the Small as well

Bismuth Rainbow Crystal Staircase - SOLD 1.17" volcanoes This specimen is a beautifulBismuth 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. 17". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to