Bismuth Rainbow Crystal Staircase - SOLD 1.55" card while others are relatively clean

while others are relatively clean

a traditional fruit cake with cream cheese frosting

and the Top Cornice

The fantastic detail on these fossils can show skeletal impressions

Each specimen comes with a photo card that also contains authenticity information on the back

Bismuth Rainbow Crystal Staircase - SOLD 1.55" card while others are relatively cleanBismuth 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. 55". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to