NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the presence of hot water
Več na: https://www.newscientist.com/article/2471954-quartz-crystals-on-mars-could-preserve-signs-of-ancient-life/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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