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the Discovery carried the Hubble Telescope into orbit (STS-31) and took on the hundredth shuttle mission (STS-92)
yellow-green glass known as Libyan Desert Glass (LDG)
48 million years ago
The shark wrestles the seal beneath the waves
the chief catalyst of this extinction event is a series of massive volcanic eruptions known as the Siberian Traps
Bismuth Rainbow Crystal Staircase - 1.631" wholesale-50 the Discovery carried the HubbleBismuth 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
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