Mineralogy Database

Axinite-(Fe) Mineral Data

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General Axinite-(Fe) Information

Help on Chemical Formula: Chemical Formula: Ca2Fe++Al2BO3Si4O12(OH)
Help on Composition: Composition: Molecular Weight = 570.12 gm
   Calcium   14.06 %  Ca   19.67 % CaO
   Aluminum   9.47 %  Al   17.88 % Al2O3
   Iron       9.80 %  Fe   12.60 % FeO
   Silicon   19.71 %  Si   42.16 % SiO2
   Boron      1.90 %  B     6.11 % B2O3
   Hydrogen   0.18 %  H     1.58 % H2O
   Oxygen    44.90 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Fe2+Al2(BO3)Si4O12(OH)
Help on Environment: Environment: Contact metamorphic, hydrothermal, and alpine vein rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1909
Help on Locality: Locality: Boug d'Oisans, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek acine - "ax" in allusion to the acute shape of typical crystals and the Latin - ferrum - "iron" in reference to the Fe in the chemical formula.
Help on Name Pronunciation: Name Pronunciation: Axinite-(Fe) Say AXINITE-(FE)
Help on Synonym: Synonym: Ferro axinite - Renamed Axinite-(Fe) by Mineralogical Record v39 (2008), 131
  Ferroaxinite