Mineralogy Database

Pickeringite Mineral Data

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General Pickeringite Information

Help on Chemical  Formula: Chemical Formula: MgAl2(SO4)4•22(H2O)
Help on Composition: Composition: Molecular Weight = 858.86 gm
   Magnesium   2.83 %  Mg    4.69 % MgO
   Aluminum    6.28 %  Al   11.87 % Al2O3
   Hydrogen    5.16 %  H    46.15 % H2O
   Sulfur     14.93 %  S    37.29 % SO3
   Oxygen     70.79 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: MgAl2(SO4)4•22(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1844
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after J. Pickering (1777-1846).
Help on Name Pronunciation: Name Pronunciation: Pickeringite + Pronunciation Say PICKERINGITE
Help on Synonym: Synonym: Magnesia Alum