Bismuth Rainbow Crystal Staircase - SOLD 1.999" book Crinoids are an incredible group

Crinoids are an incredible group of aquatic animals that attach themselves to the seafloor and filter feeds with beautiful feathered arms

Each jewelry piece comes in a decorative box and includes a small information card about the specimen

54" piece of stunning agatized wood

Roughly fifty miles long and two miles wide

this was a rich environment along the Western Interior Seaway where Alamosaurus grazed

Bismuth Rainbow Crystal Staircase - SOLD 1.999" book Crinoids are an incredible groupBismuth 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. 999". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to