bismuth-209, a half life of 1.9 x 10^19 years, more than a billion times the age of the universe.
Lamborghini Aventadors already look sexy, but this car... I can't explain how amazing this looks.
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A meteorite found in Chubut, Argentina, featuring a metallic mirror finish and peridot-type stones, is displayed in a collections room at the Field Museum in Chicago
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Ettringite 3.8cm~DT Wessels mine Kalahari Manganese fields 2004 find Jeff Scovil photo
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Deep Green Veszelyite