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Nearly 95% of all life perished
the chief catalyst of this extinction event is a series of massive volcanic eruptions known as the Siberian Traps
Please Note: Sizes and shapes of this specimen vary widely
17" fossil fragment of the Dimetrodon's iconic spine
The Ginkgo tree is a beautiful plant with fascinating fan-like leaves that turn a rich gold in autumn
Bismuth Rainbow Crystal Staircase - 1.631" wholesale-50 Nearly 95% of all lifeBismuth 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. 631". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
