Bismuth Rainbow Crystal Staircase - 1.602" carboniferousplant This specimen is a complete

This specimen is a complete 136

The Micro USB port does NOT charge the batteries

While the look of this stocky animal gave rise to its popular name

The bright

504" piece of agatized coprolite or "dinosaur dung" from the Morrison Formation in Utah

Bismuth Rainbow Crystal Staircase - 1.602" carboniferousplant This specimen is a completeBismuth 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. 620". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to