Bismuth Rainbow Crystal Staircase - 1.752" herkimer glass-topped riker cases

glass-topped riker cases

The concretion halves can be opened to reveal the septarian pattern within

The case measures 4 1/2" x 3 1/2" and a small photo display card is also included

complex lattices

We use these very same cases for packaging numerous specimens in the Mini Museum collection

Bismuth Rainbow Crystal Staircase - 1.752" herkimer glass-topped riker casesBismuth 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