The semi-precious gem peridot is a variety of olivine. NASA Curiosity rover shows the diffraction signature, or fingerprint, of the mineral olivine, shown here on Earth in the form of tumbled crystals.
The semi-precious gem peridot is a variety of olivine. NASA Curiosity rover shows the diffraction signature, or fingerprint, of the mineral olivine, shown here on Earth in the form of tumbled crystals.