Period 6 element point of −38.83 °C and boiling point of 356.73 °C, mercury has one of the narrowest ranges of its liquid state of any metal. Mercury occurs in deposits throughout the world mostly as cinnabar (mercuric sulfide). The red pigment vermilion is mostly obtained by reduction from cinnabar. Cinnabar is highly toxic by ingestion or inhalation of the dust. Mercury poisoning can also result from exposure to water-soluble forms of mercury (such as mercuric chloride or methylmercury), inhalation of mercury vapor, or eating seafood contaminated with mercury. Mercury is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, and other
Willem van Heythuysen Posing with a Sword Willem van Heythuysen Posing with a Sword Willem van Heythuysen posing with a sword is a painting by the Dutch Golden Age painter Frans Hals, painted in 1625 and now in the Alte Pinakothek, Munich. It shows the Haarlem cloth merchant Willem van Heythuysen in a theatrical pose with a rapier. The painting shows a proud man standing in front of a neoclassical architectural element with drapery, leaning on a sword. In the distance a garden with a couple can be seen, and in the foreground some roses lie on the ground. It was first documented by Adriaan Loosjes, who