Mineralogy Database

Ettringite Mineral Data

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General Ettringite Information

Help on Chemical Formula: Chemical Formula: Ca6Al2(SO4)3(OH)12•26(H2O)
Help on Composition: Composition: Molecular Weight = 1,255.11 gm
   Calcium   19.16 %  Ca   26.81 % CaO
   Aluminum   4.30 %  Al    8.12 % Al2O3
   Hydrogen   5.14 %  H    45.93 % H2O
   Sulfur     7.66 %  S    19.14 % SO3
   Oxygen    63.74 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca6Al2(SO4)3(OH)12•26(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1874
Help on Locality: Locality: Ettringer Bellerberg, Ettringen, Mayen, Eifel, Rheinland-Pfalz, Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Name Pronunciation: Name Pronunciation: Ettringite + Pronunciation Say ETTRINGITE
Help on Synonym: Synonym: ICSD 16045
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