Space

Rubies on Mars?

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Briefings

NASA's Perseverance rover identified a potential ruby on Mars using the SuperCam instrument's time-resolved luminescence technique. The rock, named Nhlanguleni, was imaged by SHERLOC on October 29, 2026, in the South Idubi region. Analysis confirmed delayed atomic transitions in chromium atoms within corundum, a mineral not expected to exist on Mars due to the planet's lack of plate tectonics. This discovery occurred during the first mission in such ancient terrain, with the team conducting frequent observations to study impact effects.

Key points

• Perseverance rover identified a potential ruby on Mars using time-resolved luminescence spectroscopy on rock Nhlanguleni.
• The rock was imaged by SHERLOC on October 29, 2026, in the South Idubi region of Mars.

Context

This finding represents the first mission in ancient terrain where localized metamorphism from meteor impacts could create corundum (ruby) minerals. The SuperCam instrument detected delayed atomic transitions in chromium atoms, confirming the presence of corundum in the rock record.

Limitations

The identification relies on time-resolved luminescence observations from the SuperCam instrument. The specific location of Nhlanguleni was imaged by SHERLOC on October 29, 2026, in the South Idubi region. The team conducted frequent observations to study impact effects, but the precise geological context and formation history of the rock require further investigation.

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