Prime virgin mercury 99.99% is, contrary to what most people think, a metal. The Prime virgin mercury has the Hg symbol and the atomic number 80. Prime virgin mercury is also popularly known as quicksilver and hydrargyrum. Prime virgin mercury is actually the only metal that in standard conditions of temperature stays in its liquid state. Characteristics:Silvery, extremely heavy liquid, sometimes found native. Insoluble in hydrochloric acid; soluble in sulfuric acid upon boiling; readily soluble in nitric acid. Insoluble in water, alcohol, and ether. Soluble in lipids. Extremely high surface tension (480 dynes/cm) giving it unique rheological behavior. High electric conductivity. Noncombustible.