Mineralogy Database

Marsturite Mineral Data

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General Marsturite Information

Help on Chemical  Formula: Chemical Formula: NaCaMn3[Si5O14(OH)]
Help on Composition: Composition: Molecular Weight = 609.31 gm
   Sodium      3.77 %  Na    5.09 % Na2O
   Calcium     6.58 %  Ca    9.20 % CaO
   Manganese  27.05 %  Mn   34.93 % MnO
   Silicon    23.05 %  Si   49.31 % SiO2
   Hydrogen    0.17 %  H     1.48 % H2O
   Oxygen     39.39 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCaMn2+3Si5O14(OH)
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Marion Stuart of Bellvue, Idaho, who has been a staunch supporter of the preservation of natural history specimens, particularly those of geological interest.
Help on Name Pronunciation: Name Pronunciation: Marsturite + Pronunciation Say MARSTURITE