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485" dinosaur gastrolith from the Morrison Formation in Colorado
This specimen is part of a massive eruption which occurred in 864 AD
With its striking orange coloring and limestone-like properties
The Cosmic Campo del Cielo Mini Meteorite box includes:
Bismuth Rainbow Crystal Staircase - 1.602" australia 485" dinosaur gastrolith from theBismuth 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. 620". While bismuth's practical uses are limited beyond some pharmaceuticals, the element's utterly unique colors and shape continue to
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