Chemical Formula: (Fe++,Mg,Mn)2Al4Si2O10(OH)4
Help on Composition: Composition: Molecular Weight = 484.71 g
 
Hydrogen 0.83 % H 7.43 % H2O 0.00 %
Oxygen 46.21 % O 0.00 % 0.00 %
Magnesium 3.01 % Mg 4.99 % MgO 0.00 %
Aluminum 22.27 % Al 42.07 % Al2O3 0.00 %
Silicon 11.59 % Si 24.79 % SiO2 0.00 %
Manganese 2.27 % Mn 2.93 % MnO 0.00 %
Iron 13.83 % Fe 17.79 % FeO 0.00 %


100.01 % 100.00 %
 
Help on Empirical Formula: Empirical Formula: Fe2+1.2Mg0.6Mn2+0.2Al4Si2O10(OH)4
Help on Environment: Environment: Metamorphic phyllites, schists and marbles
Help on Locality: Locality: Saas and Lukmanier, Switzerland.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its resemblance to chlorite minerals
Help on Synonym: Synonym: Sismondine(Mg)