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
Metallic fiber also produces metallic yarns; the city Dongyang contains more than 100 factories, though some of these are home based production sites rather than conventional factories. Two of the more popular factories are Salu Metallic Yarn and Aoqi Textile. The most popular company in Europe is the company Wagner-Tech-Textile GmbH with the brand name Rexess, this company is probably the last company which is able to produce metallic yarn in EU. They have still machinery for production of supported and unsupported metallic yarn. The Lurex Company has manufactured metallic fibers in Europe for over fifty years. They produce a wide variety