Mineralogy Database

Lecontite Mineral Data

Search Webmineral :
  
Advertisment

General Lecontite Information

Help on Chemical  Formula: Chemical Formula: (NH4,K)Na(SO4)•2(H2O)
Help on Composition: Composition: Molecular Weight = 178.39 gm
   Potassium   5.48 %  K     6.60 % K2O
   Sodium     12.89 %  Na   17.37 % Na2O
   Hydrogen    1.70 %  H      -   % Calc as (NH4)2O
   Hydrogen    2.26 %  H    20.20 % H2O
   Sulfur     17.98 %  S    44.88 % SO3
   Nitrogen    5.89 %  N    10.95 % (NH4)2O
   Oxygen     53.81 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)0.75K0.25Na(SO4)•2(H2O)
Help on Environment: Environment: Early product of the breakdown of bat guano.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1858
Help on Locality: Locality: Las Piedras Cave, near Comayagua, 62 km northwest of Tegucigalpa, Honduras. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John Lawrence LeConte (1825-1883), American entomologist, University of California, Berkeley, California, USA, who discovered the mineral.
Help on Name Pronunciation: Name Pronunciation: Lecontite + Pronunciation Say LECONTITE
Help on Synonym: Synonym: ICSD 77896
  PDF 15-283