Bismuth Rainbow Crystal Staircase - SOLD 1.32" phytosaur 96" fossil plant from the

96" fossil plant from the genus Calamites that was recovered from a coal bed in Kentucky

Skull Dimensions: 20mm x 30mm x 20mm

Cyclobatis was a skate

90" fossilized Metasequoia cone from a Dawn Redwood at Hell Creek

They were recovered from the historic Bone Cabin Quarry in Montana

Bismuth Rainbow Crystal Staircase - SOLD 1.32" phytosaur 96" fossil plant from 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. 32". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to