Bismuth Rainbow Crystal Staircase - SOLD 2.138" fossilsnailcluster Artisans began using clay molds

Artisans began using clay molds to work with the material

which may indicate a shift in diet from browsing for leaves to grazing low grasses

It comes from the Kem Kem beds of Morocco and is associated with Coloborhynchus

Please Note: The gold accents on the Mount Fuji beads are all unique

As you might suspect

Bismuth Rainbow Crystal Staircase - SOLD 2.138" fossilsnailcluster Artisans began using clay moldsBismuth 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 2. 138". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to