Summary:
- The Perseverance rover on Mars has discovered several gemstones, including rubies and sapphires, in the Jezero Crater.
- These gems were likely formed by volcanic activity and the presence of water on ancient Mars, providing clues about the planet's geological history.
- The discovery of these precious stones on Mars highlights the scientific value of the Perseverance mission and its potential to uncover more insights about the past habitability of the Red Planet.