A piece of red cinnober, the red color is caused by mercury(II)sulfide, HgS.
Size: 3696px × 2448px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: chemistry, cinnober, close-, crystalline, education, educative, geology, hgs, home, learning, mercury, mineral, nature, object, physics, red, school, science, scientific, stone, sulfide, understanding, university