Bismuth Rainbow Crystal Staircase - 1.752" rockinaboxopal you'll get all these gifts

you'll get all these gifts discounted when you buy the bundle

the 26 specimen version is individually numbered and each number is laser etched on the face of the Mini Museum

As the manganese cools

the pendant comes in our handsome

John Uri of the NASA Johnson Space Center posted this touching retrospective of the crew from STS-51L on the 35th anniversary of the disaster

Bismuth Rainbow Crystal Staircase - 1.752" rockinaboxopal you'll get all these giftsBismuth 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. 752". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to