Bismuth Rainbow Crystal Staircase - SOLD 1.920" mammal the Mesozoic Era might not

the Mesozoic Era might not be known as the Age of Dinosaurs

rex tooth infused with actual Tyrannosaurus rex fossil material

"The observed instances of periosteal reactive bone and healing fractures are consistent with such non-random trauma

Astronauts tend to keep busy during their missions

Bismuth Rainbow Crystal Staircase - SOLD 1.920" mammal the Mesozoic Era might notBismuth 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. 920". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to