Q. What is the principal ore of oxidized mercury, characteristically found in granular crusts or veins associated with volcanic and hot spring activity?
✅ Correct Answer: (C)
Cinnabar
Explanation: Cinnabar (mercury sulfide, HgS) is the primary and most common mineral ore used for the commercial extraction of elemental mercury. It frequently forms near volcanic terrains and low-temperature hydrothermal veins.
Explanation by: Mr. Dubey
Cinnabar (mercury sulfide, HgS) is the primary and most common mineral ore used for the commercial extraction of elemental mercury. It frequently forms near volcanic terrains and low-temperature hydrothermal veins.