Mineralogy Database

Stevensite Mineral Data

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General Stevensite Information

Help on Chemical  Formula: Chemical Formula: (Ca0.5,Na)0.33(Mg,Fe++)3Si4O10(OH)2•n(H2O)
Help on Composition: Composition: Molecular Weight = 471.23 gm
   Sodium      1.61 %  Na    2.17 % Na2O
   Calcium     1.28 %  Ca    1.79 % CaO
   Magnesium  14.44 %  Mg   23.95 % MgO
   Iron        2.37 %  Fe    3.05 % FeO
   Silicon    23.84 %  Si   51.00 % SiO2
   Hydrogen    2.14 %  H    19.12 % H2O
   Oxygen     54.32 %  O
             ______        ______ 
             100.00 %      101.07 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.15Na0.33Mg2.8Fe2+0.2Si4O10(OH)2•4(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1873
Help on Locality: Locality: Railway tunnel, Bergen Hill, Hudson County, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for E. A. Stevens, founder of Stevens Institute of Technology, Hoboken, New Jersey, USA.
Help on Name Pronunciation: Name Pronunciation: Stevensite + Pronunciation Say STEVENSITE
Help on Synonym: Synonym: Cerolite
  Jurupaite
  Kerolite