Mineralogy Database

Grossular Mineral Data

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General Grossular Information

Help on Chemical  Formula: Chemical Formula: Ca3Al2(SiO4)3
Help on Composition: Composition: Molecular Weight = 450.45 gm
   Calcium   26.69 %  Ca   37.35 % CaO
   Aluminum  11.98 %  Al   22.64 % Al2O3
   Silicon   18.71 %  Si   40.02 % SiO2
   Oxygen    42.62 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca3Al2(SiO4)3
Help on Environment: Environment: Contact metasomatic deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1811
Help on Locality: Locality: Isle of Mull, Scotland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Grossular is from the Latin grossularia meaning "gooseberry." Hessonite is from the Greek hesson, meaning "slight" in reference to the smaller specific gravity.
Help on Name Pronunciation: Name Pronunciation: Grossular + Pronunciation Say GROSSULAR
Help on Synonym: Synonym: Grossularite
  Hessonite - brownish orange
  ICSD 24944
  PDF 39-368
  Tsavorite - emerald green