Chemical Formula: (Mg,Fe++)9(SiO4)4(F,OH)2
Help on Composition: Composition: Molecular Weight = 695.05 g
 
Magnesium 23.60 % Mg 39.14 % MgO 0.00 %
Iron 18.08 % Fe 23.26 % FeO 0.00 %
Silicon 16.16 % Si 34.58 % SiO2 0.00 %
Hydrogen 0.07 % H 0.65 % H2O 0.00 %
Oxygen 37.98 % O 0.00 % 0.00 %
Fluorine 4.10 % F 4.10 % F 0.00 %


99.99 % 101.73 %
 
Help on Empirical Formula: Empirical Formula: Mg6.75Fe2+2.25(SiO4)4F1.5(OH)0.5
Help on Environment: Environment: Commonly interlayered with humite
Help on Locality: Locality: Mte. Somma, Vesuvius, Italy.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the mineral humite and the monoclinic crystal form
Help on Synonym: Synonym: Titanclinohumite