Staurolite Chemical: Fe2Al9(SiO4)4(O,OH)2. Clades: Al2SiO5 group; Nesosilicates; Silicate minerals; Lapidae. rom Related postsUstilaginalesMarch 10, 2019Crassula elegansFebruary 27, 2021Aeonium balsamiferumAugust 19, 2021 Previous postKyaniteNext postNorbergite