Talk:The Cohabitation Experimentation/@comment-4389976-20160406184854/@comment-30071817-20160926043630

And cinnabar  is a toxic mercury sulfide mineral with a chemical composition of HgS. It is the only important ore of mercury. It has a bright red color that has caused people to use it as a pigment and carve it into jewelry and ornaments for thousands of years in many parts of the world.