method of mining mica

Muscovite | Al2K2O6Si - PubChem MICA, a generic term, refers to any of a group of approximately 30 silicate minerals occurring as non-fibrous plates. Muscovite (hydrated aluminium potassium silicate[KAl2(AlSi3O10)(F, OH)2 ])and phlogopite (potassium magnesium aluminum silicate hydroxide) are the two major micas of commerce. problems of excavation in mica mines - miningbmw Burma jade mines: History of Burmese jade mining, including cutting of jade, mining methods and quality analysis of jadeite. ... Mica Minerals,Mica Properties,Mica Mineral Information ... Read about mica minerals, mica properties, mica mineral information, mica suppliers, muscovite mica, muscovite mica uses, mica physical properties, mica ... Division of Geology and Mineral Resources - Feldspar Historically, feldspar in ia was mined for use in the ceramics industry, for abrasives, and for gemstones (amazonite) (Pegau, 1932). Prior to 1907, according to Watson (1907) feldspar was mined primarily in connection with mica mining.    Read More