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NASA Finds Pure Quartz on Mars—Could This Be Proof of Ancient Life?
NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...
New Scientist11d
Quartz crystals on Mars could preserve signs of ancient life
NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...
AOL1mon
Opals Are One of the Trendiest Stones Right Now—But Is It Bad Luck to Wear Them?
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Opals may have been around for thousands of years, but they’re having a major resurgence in the ...