Calamine (mineral) enough was known of metallic zinc to make brass solder directly by combining copper and spelter (zinc ingots). In 1738 a patent was granted to William Champion, a Bristol brass founder, for the large-scale reduction of calamine to produce spelter. In 1684 a paper presented to the Royal Society touched on the medicinal and veterinary properties of the compound when in finely powdered form. Calamine (mineral) Calamine is a historic name for an ore of zinc. The name "calamine" was derived from "lapis calaminaris", a Latin corruption of Greek "cadmia (καδμία)", the old name for zinc ores in general. The
Industrial metal later chose to experiment with industrial music. Industrial metal blossomed in the early 1990s, particularly in North America, where it would eventually sell close to 35 million units. It first became a commercial force in 1992 when Nine Inch Nails' "Broken" and Ministry's "" went platinum in America, though the latter took three years to reach that status. Both groups were nominated for the Best Metal Performance in the 1992 Grammy Awards, with Nine Inch Nails winning. Two years later, Nine Inch Nails released "The Downward Spiral", which debuted at No. 2, and would eventually go quadruple-platinum. This record is