Magnesioferritaramite

General Information: Chemical Formula:Na(CaNa)(Mg,Fe++)3Fe+++2[Si6Al2O22](OH)2 Composition:(Molecular Weight = 910.69 gm)Sodium 5.05 % NaCalcium 4.40 % CaMagnesium 5.34 % MgAluminum 5.93 % AlIron 18.40 % FeSilicon 18.50 % SiHydrogen 0.22 % H Oxygen 42.16 % O  Empirical Formula: Na2CaMg2Fe2+Fe3+2(Si6Al2O22)(OH)2 Environment:Nepheline-bearing igneous rocks. IMA Status:Approved IMA 1978 Locality:Wali-tarama, Mariupol, Ukraine. Name Origin:Named after the chemical composition and the locality.Physical Properties: Cleavage:[110] PerfectMore details...