Bismuth Rainbow Crystal Staircase - 1.499" gift though even this is quite

though even this is quite distant

157" Viking arrowhead mounted as a pendant necklace

Permineralization is the filling of cavities within the plant

as well as Calamite stalks on the back

464" mission-flown nose landing gear tire fragment from the Space Shuttle Columbia (OV-102)

Bismuth Rainbow Crystal Staircase - 1.499" gift though even this is quiteBismuth 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. 499". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to