Bismuth Rainbow Crystal Staircase - SOLD 1.86" hot The Pyroraptor’s claws were 2

The Pyroraptor’s claws were 2

6" and up

where it evolved long legs that let the Hyracodon run through its habitat to avoid predation

While modern citrine

75" Maiasaura Vertebra recovered from private land on the Two Medicine Formation in Montana

Bismuth Rainbow Crystal Staircase - SOLD 1.86" hot The Pyroraptor’s claws were 2Bismuth 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. 86". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to