Mineralogy Database

Lavenite Mineral Data

Search Webmineral :
  
Advertisment

General Lavenite Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca)2(Mn,Fe++)(Zr,Ti,Nb)Si2O7(O,OH,F)
Help on Composition: Composition: Molecular Weight = 374.22 gm
   Sodium      9.83 %  Na   13.25 % Na2O
   Calcium     6.43 %  Ca    8.99 % CaO
   Zirconium  21.94 %  Zr   29.64 % ZrO2
   Titanium    2.56 %  Ti    4.27 % TiO2
   Manganese   4.40 %  Mn    5.69 % MnO
   Niobium     2.48 %  Nb    3.55 % Nb2O5
   Iron        2.98 %  Fe    3.84 % FeO
   Silicon    15.01 %  Si   32.11 % SiO2
   Hydrogen    0.08 %  H     0.72 % H2O
   Oxygen     33.78 %  O
   Fluorine    0.51 %  F     0.51 % F
                -   %   F    -0.21 % -O=F2    
             ______        ______ 
             100.00 %      102.35 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.6Ca0.4Mn2+0.3Ca0.2Fe2+0.2Zr0.9Ti0.2Nb0.1(Si2O7)O0.6(OH)0.3F0.1
Help on Environment: Environment: In alkalic rocks and related pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1885
Help on Locality: Locality: In Norway, on Laven and the Aro Islands. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Lavenite Say LAVENITE
Help on Synonym: Synonym: ICSD 100722
  PDF 14-606