Bismuth Rainbow Crystal Staircase - 2.117" tunguska many of whom lost their

many of whom lost their lives in the forest fires that followed

Fulfillment time is between 2-5 business days and shipping time is estimated between 4-21 business days

Both fossil specimens ship in their own glass-topped riker display case that measures 4"x3"x1"

American Museum of Natural History "Fossiliferous Cretaceous Amber from Myanmar (Burma): Its Rediscovery

a crystal form of calcium carbonate

Bismuth Rainbow Crystal Staircase - 2.117" tunguska many of whom lost theirBismuth 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 2. 117". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to