In distinction, a mineral group is usually a grouping of mineral species with some typical chemical Houses that share a crystal construction. The pyroxene group has a standard formulation of XY(Si,Al)2O6, the place X and Y are equally cations, with X generally bigger than Y; the pyroxenes are solitary-chain silicates https://minerals92478.bloguetechno.com/weight-loss-supplements-an-overview-65360865