Mineralogy Database

Ericssonite Mineral Data

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General Ericssonite Information

Help on Chemical Formula: Chemical Formula: BaMn++2Fe+++O[Si2O7](OH)
Help on Composition: Composition: Molecular Weight = 504.22 gm
   Barium     27.24 %  Ba   30.41 % BaO
   Manganese  21.79 %  Mn   28.14 % MnO
   Iron       11.08 %  Fe   15.84 % Fe2O3
   Silicon    11.14 %  Si   23.83 % SiO2
   Hydrogen    0.20 %  H     1.79 % H2O
   Oxygen     28.56 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: BaMn2+2Fe3+Si2O8(OH)
Help on Environment: Environment: Intergrown with orthoericssonite in a schefferite-rhodonite-tephroite skarn.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: Langban mine, near Filipstad, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John E. Ericsson (1803-1883), Swedish-born American engineer and inventor, designer of the iron-clad ship Monitor.
Help on Name Pronunciation: Name Pronunciation: Ericssonite + Pronunciation Say ERICSSONITE