Cinnabar, or cinnabarite, also known as mercurblende is the bright scarlet to brick-red form of mercury(II) sulfide (HgS). It is the most common source ore for refining elemental mercury and is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments.
Cinnabar
Cinnabar mercury ore from Nevada, United States
Cinnabar crystals of an individual size of one centimeter, on quartz. Almadén (Ciudad Real) Spain. Coll. Museum of the School of Mining Engineers of Madrid
Chinese carved cinnabar lacquerware, late Qing dynasty. Adilnor Collection, Sweden.
Mercury sulfide, or mercury(II) sulfide is a chemical compound composed of the chemical elements mercury and sulfur. It is represented by the chemical formula HgS. It is virtually insoluble in water.
Mercury sulfide
Cinnabar (red portion of specimen) from Nevada, US.