Mineralogy Database

Manganiandrosite-(La) Mineral Data

Search Webmineral :
  
Advertisment

General Manganiandrosite-(La) Information

Help on Chemical  Formula: Chemical Formula: (Mn,Ca)(La,Ce,Ca,Nd)AlMn+++Mn++(SiO4)(Si2O7)O(OH)
Help on Composition: Composition: Molecular Weight = 595.24 gm
   Calcium     2.02 %  Ca    2.83 % CaO
   Lanthanum  11.67 %  La   13.68 % La2O3
   Cerium      4.71 %  Ce    5.51 % Ce2O3
   Manganese  25.38 %  Mn   20.86 % MnO / 13.26 % Mn2O3
   Aluminum    4.53 %  Al    8.56 % Al2O3
   Silicon    14.16 %  Si   30.28 % SiO2
   Hydrogen    0.17 %  H     1.51 % H2O
   Neodymium   2.42 %  Nd    2.83 % Nd2O3
   Oxygen     34.94 %  O
             ______        ______ 
             100.00 %       99.33 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+0.75Ca0.3La0.5Ce0.2Nd0.1AlMn3+Mn2+(SiO4)(Si2O7)O(OH)
Help on Environment: Environment: Forms a series with piemontite. Found in a manganese-rich silicate-carbonate rock.
Help on IMA Status: IMA Status: Approved IMA 1994 (Dana # Added)
Help on Locality: Locality: Petalon Mountain, Andros Island, Cyclades, Greece. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its discovery locality.
Help on Synonym: Synonym: Androsite
  Androsite-(La) - Renamed to Manganiandrosite-(La) - Recommended nomenclature of epidote-group minerals, Eur. J. Mineral. 2006, 18, 551-567.
  IMA1994-048