Mineralogy Database

Orlymanite Mineral Data

Search Webmineral :
  

General Orlymanite Information

Help on Chemical Formula: Chemical Formula: Ca4Mn++3Si8O20(OH)6•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,007.87 gm
   Calcium    15.91 %  Ca   22.26 % CaO
   Manganese  16.35 %  Mn   21.12 % MnO
   Silicon    22.29 %  Si   47.69 % SiO2
   Hydrogen    1.00 %  H     8.94 % H2O
   Oxygen     44.45 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4Mn2+3Si8O20(OH)6•2(H2O)
Help on Environment: Environment: Part of a vein assemblage. One specimen known.
Help on IMA Status: IMA Status: Approved IMA 1990
Help on Locality: Locality: Wessels mine, Kalahari manganese field, Cape Province, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Orlando P. Lyman (1903-1986), founder of Lyman House Memorial Museum, Hilo, Hawaii.
Help on Name Pronunciation: Name Pronunciation: Orlymanite + Pronunciation Say ORLYMANITE
Help on Synonym: Synonym: IMA1988-029