In distinction, a mineral group is really a grouping of mineral species with some widespread chemical Qualities that share a crystal construction. The pyroxene team has a standard formulation of XY(Si,Al)2O6, where X and Y are equally cations, with X normally bigger than Y; the pyroxenes are one-chain silicates that https://emilioqatzx.theideasblog.com/30459109/facts-about-vitamin-b12-revealed