Mineralogy Database

Berthierine Mineral Data

Search Webmineral :
  

General Berthierine Information

Help on Chemical Formula: Chemical Formula: (Fe++,Fe+++,Al,Mg)2-3(Si,Al)2O5(OH)4
Help on Composition: Composition: Molecular Weight = 295.97 gm
   Magnesium   1.64 %  Mg    2.72 % MgO
   Aluminum   17.32 %  Al   32.73 % Al2O3
   Iron       32.08 %  Fe   36.41 % FeO /  5.40 % Fe2O3
   Silicon    10.44 %  Si   22.33 % SiO2
   Hydrogen    0.68 %  H     6.09 % H2O
   Oxygen     37.84 %  O
             ______        ______ 
             100.00 %      105.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+1.5AlFe3+0.2Mg0.2Si1.1Al0.9O5(OH)2
Help on Environment: Environment: Common in unmetamorphosed marine sediments, in lateritic and polar soils.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Hayage, Meurthe-et-Moselle, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Pierre Berthier (1782-1861), French geologist.
Help on Name Pronunciation: Name Pronunciation: Berthierine + Pronunciation Say BERTHIERINE