Bismuth Rainbow Crystal Staircase - SOLD 1.999" book It had its choice of

It had its choice of options when devouring prey: swallow them whole with its massive mouth or tear them apart with its reinforced jaws

Roughly fifty miles long and two miles wide

54" piece of stunning agatized wood

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

Above: The front of the specimen card

Bismuth Rainbow Crystal Staircase - SOLD 1.999" book It had its choice ofBismuth 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