Bismuth Rainbow Crystal Staircase - SOLD 1.55" rockinaboxxiphactinus 82" polished Phylloceras fossil from

82" polished Phylloceras fossil from Madagascar

The keratin from the claw has worn away over the years

it is created by heating the coats of paint which build up over board-making tools

Prince of Wallachia and member of the house of Drăculești

000 years old) - At 12m (40ft) in length and weighing upwards of 14 metric tons

Bismuth Rainbow Crystal Staircase - SOLD 1.55" rockinaboxxiphactinus 82" polished Phylloceras fossil fromBismuth 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