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Above: Front of specimen card
The sediment layer from which amber is mined can be dated radiometrically using zircons
but recent studies suggest that some species
While these creatures themselves were massive
Bismuth Rainbow Crystal Staircase - SOLD 1.48" music Above: Front of specimen cardBismuth 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. 48". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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