Mineralogy Database

Ferro-actinolite Mineral Data

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General Ferro-actinolite Information

Help on Chemical  Formula: Chemical Formula: [ ]Ca2Fe++5Si8O22(OH)2
Help on Composition: Composition: Molecular Weight = 970.08 gm
   Calcium    8.26 %  Ca   11.56 % CaO
   Iron      28.78 %  Fe   37.03 % FeO
   Silicon   23.16 %  Si   49.55 % SiO2
   Hydrogen   0.21 %  H     1.86 % H2O
   Oxygen    39.58 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe2+5(Si8O22)(OH)2
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1946
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).