Bismuth Rainbow Crystal Staircase - SOLD 1.871" rockinaboxmammothtooth from marine invertebrates like the

from marine invertebrates like the ammonites to the large avian and marine reptiles which had held their dominant place for so long

the Medium and Large Otodus teeth are too thick for a riker so we are shipping them in a secure and sturdy carton

951" chunk of Libyan Desert Glass

The specimen weighs 2

Bismuth Rainbow Crystal Staircase - SOLD 1.871" rockinaboxmammothtooth from marine invertebrates like 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. 871". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to