Bismuth Rainbow Crystal Staircase - 1.642" mug The middle of the 2nd

The middle of the 2nd millennium BCE witnessed an explosion of faience production in Egypt

and leaving behind the rich colors and glass-like surface

Read more about the glass and T

OASISAMERICA (Ancient Ceramics)

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

Bismuth Rainbow Crystal Staircase - 1.642" mug The middle of the 2ndBismuth 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