Mineralogy Database

Sodic-ferripedrizite Mineral Data

Search Webmineral :
  
Advertisment

General Sodic-ferripedrizite Information

Help on Chemical  Formula: Chemical Formula: Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2
Help on Composition: Composition: Molecular Weight = 811.31 gm
   Potassium   0.14 %  K     0.17 % K2O
   Sodium      3.63 %  Na    4.89 % Na2O
   Lithium     1.90 %  Li    4.09 % Li2O
   Calcium     0.40 %  Ca    0.55 % CaO
   Magnesium   5.24 %  Mg    8.69 % MgO
   Titanium    0.65 %  Ti    1.08 % TiO2
   Manganese   0.47 %  Mn    0.61 % MnO
   Aluminum    0.70 %  Al    1.32 % Al2O3
   Zinc        0.08 %  Zn    0.10 % ZnO
   Iron       11.36 %  Fe   16.24 % Fe2O3
   Silicon    27.69 %  Si   59.25 % SiO2
   Hydrogen    0.17 %  H     1.50 % H2O
   Oxygen     46.05 %  O
   Fluorine    1.52 %  F     1.52 % F
                -   %   F    -0.64 % -O=F2    
             ______        ______ 
             100.00 %       99.38 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.7K0.03Li1.34Na0.58Ca0.08Mg1.75Fe3+1.65Li0.88Al0.21Ti0.11Mn2+0.07Zn0.01Si8O22 (OH)1.35F0.65
Help on Environment: Environment: In hydrothermal episyenites formed after cordierite-bearing porphyritic granites. A member of the amphibole group.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: In the Arroyo de la Yedra, Eastern Pedriza Massif, Sierra de Guadarrama, Central System, Spain. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality and the prefixes "ferri" and "sodic" as recommended by the amphibole commission.
Help on Synonym: Synonym: ICSD 89815
  IMA1998-061