Bismuth Rainbow Crystal Staircase - SOLD 2.138" fossilsnailcluster Check out the 29-Specimen Acrylic

Check out the 29-Specimen Acrylic Fourth Edition ($299 USD)

4 billion years old

This new Kapton selection comes from Buzz Aldrin's personal collection and as such it is extremely limited

As you might suspect

The arrowhead dates to roughly 900 CE

Bismuth Rainbow Crystal Staircase - SOLD 2.138" fossilsnailcluster Check out the 29-Specimen AcrylicBismuth 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