Hello. That is, cinnabar, also known as Cinnabar, cinnabar, red lead and mercury sand, is a natural ore of mercury sulfide (chemical name: HgS). Cinnabar powder is red. It can last a long time. China has a long history of using cinnabar as pigment. Cinnabar powder is red and can last for a long time. Cinnabar has been used as a pigment in China for a long time. It is toxic and should not be taken to avoid mercury poisoning. No heating, heating will precipitate mercury vapor, which is highly toxic.