Mineralogy Database

Ferroholmquistite Mineral Data

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General Ferroholmquistite Information

Help on Chemical  Formula: Chemical Formula: [ ](Li2Fe++3Al2)Si8O22(OH)2
Help on Composition: Composition: Molecular Weight = 808.43 gm
   Potassium   0.05 %  K     0.06 % K2O
   Sodium      0.11 %  Na    0.15 % Na2O
   Lithium     1.61 %  Li    3.47 % Li2O
   Magnesium   4.42 %  Mg    7.33 % MgO
   Manganese   0.14 %  Mn    0.18 % MnO
   Aluminum    6.31 %  Al   11.92 % Al2O3
   Iron       11.81 %  Fe   15.20 % FeO
   Silicon    27.79 %  Si   59.46 % SiO2
   Hydrogen    0.25 %  H     2.20 % H2O
   Oxygen     47.44 %  O
   Fluorine    0.07 %  F     0.07 % F
                -   %   F    -0.03 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K0.01Na0.01Li1.88Mg0.08Na0.03Fe2+0.01Al1.89Fe2+1.7Mg1.39Mn2+0.02Si8O22(OH)1.97F0.03
Help on Environment: Environment: Metasomatism around highly fractionated lithium-rich pegmatites that intrude amphibolites.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Greenbushes pegmatite (Western Australia). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its composition and relationship to holmquistite..
Help on Name Pronunciation: Name Pronunciation: Ferroholmquistite + Pronunciation Say FERROHOLMQUISTITE
Help on Synonym: Synonym: IMA2004-030