Bismuth Rainbow Crystal Staircase - 1.642" mug which also wiped out the

which also wiped out the dinosaurs

Above: The front of the Specimen Card for the Tar Pit Specimen

OASISAMERICA (Ancient Ceramics)

The small dots are scars from where ribbon-like rootlets were once attached

Egyptian faience is made of silica

Bismuth Rainbow Crystal Staircase - 1.642" mug which also wiped out 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. 642". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to