Bismuth Rainbow Crystal Staircase - SOLD 1.55" smilodon The fossil is estimated to

The fossil is estimated to be over 98 million years old and includes a black metal stand and a certificate of authenticity

a long tail

with sizes ranging from pebble-sized to enormous chunks weighing more than 40 pounds

Above: Medium Otodus Specimen

" (Source: Mini Museum)

Bismuth Rainbow Crystal Staircase - SOLD 1.55" smilodon The fossil is estimated toBismuth 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