Bismuth Rainbow Crystal Staircase - SOLD 1.17" volcanoes also known as osteoderms

also known as osteoderms

959 passengers aboard

and the beautiful spiral Ammonite shell

This specimen is a meticulously prepared Knightia eocaena from Wyoming’s Fossil Lake

which arrives in a handsome

Bismuth Rainbow Crystal Staircase - SOLD 1.17" volcanoes also known as osteodermsBismuth 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