Bismuth Rainbow Crystal Staircase - 1.869" showcasejewelry2025saleall this necklace features a 1

this necklace features a 1

000 years to the Jurassic Period

108" scraper from North Africa and is dated to roughly 12

257" fossil metatarsal piece from an Allosaurus recovered on private land from the Morrison Formation

also known as osteoderms

Bismuth Rainbow Crystal Staircase - 1.869" showcasejewelry2025saleall this necklace features a 1Bismuth 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. 869". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to