Bismuth Rainbow Crystal Staircase - 1.896" collegefun Fossils are not simply the

Fossils are not simply the preserved remains of long-dead creatures

696" in length

289" piece of polished Chrysocolla Chalcedony

Both sizes ship in a sturdy carton and include a small information card about the specimen

Their abundance and fine articulation is attributed to the unique properties of Fossil Lake

Bismuth Rainbow Crystal Staircase - 1.896" collegefun Fossils are not simply theBismuth 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. 896". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to