Nasa finds sapphire parts on Mars
Analysis from NASA's Perseverance rover has revealed the presence of the mineral corundum in three rocks near the Giza crater on Mars. This is the first evidence of this mineral in a Martian environment. Corundum is a crystalline form of aluminum oxide that contains traces of chromium, which explains its red and pink colors. The discovery raises questions about how it formed, as it is believed that a massive impact, along with heat and ancient water, contributed to its creation, despite the grains being microscopic in size. Studies suggest that the age of Giza crater and the rocks' exposure to high-temperature, liquid-rich conditions may have been responsible for the formation of corundum.
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