Mercury Powder, Packaging Type : White, Purity : 99.99%

Mercury is mined as mercuric sulphide (cinnabar ore). ... These mercury compounds are also called mercury salts. Most inorganic mercury compounds are white powders or crystals, except for mercuric sulphide, which is red and turns black after exposure to light.
Mercury was in use by the early 16th century, and remained the primary treatment for syphilis until the early 20th century.