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A 2-billion-year-old rock found in the Sahara desert has been identified as a meteorite from Mars’ crust, and it contains ten times more water than any other Martian meteorite found on Earth. It also contains organic carbon. Credit: NASA Cool Rocks, Pretty Rocks, Minerals And Gemstones, Rocks And Minerals, Raw Gemstones, Crystal Gems, Stones And Crystals, Gem Stones, Bismuth Crystal
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