Bismuth Rainbow Crystal Staircase - SOLD 1.08" mosasaurtooth and the depth along the

and the depth along the route often exceeded two miles

NOVUS 3 removes heavy scratches and abrasions from most acrylic surfaces

71" showcase Cyclobatis fossil

beginning with the largest extinction event in history and ending with the asteroid that killed off the dinosaurs

The estimated age of this meteorite is 4

Bismuth Rainbow Crystal Staircase - SOLD 1.08" mosasaurtooth and the depth along 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. 08". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to