Bismuth Rainbow Crystal Staircase - SOLD 1.992" russia 05" stone scraper from North

05" stone scraper from North Africa and is dated to roughly 12

Mining sites like this are the perfect place to find highly detailed fossils from the Carboniferous

DINOSAUR FOOTPRINT (GRALLATOR)

The silver has been hand-prepared at our workshop into custom 5-6mm stamped circles

334" mission-flown nose landing gear tire fragment from the Space Shuttle Columbia (OV-102)

Bismuth Rainbow Crystal Staircase - SOLD 1.992" russia 05" stone scraper from NorthBismuth 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. 992". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to