Mineralogy Database

Murmanite Mineral Data

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General Murmanite Information

Help on Chemical  Formula: Chemical Formula: (Na,[ ])2{(Na,Ti)4[Ti2(O,H2O)4Si4O14](OH,F)2}•2H2O
Help on Composition: Composition: Molecular Weight = 750.89 gm
   Sodium     9.18 %  Na   12.38 % Na2O
   Titanium  22.96 %  Ti   38.30 % TiO2
   Niobium    4.95 %  Nb    7.08 % Nb2O5
   Silicon   14.96 %  Si   32.01 % SiO2
   Hydrogen   1.07 %  H     9.60 % H2O
   Oxygen    46.88 %  O
            ______        ______ 
            100.00 %       99.36 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3Ti3.6Nb0.4(Si2O7)2O4•4(H2O)
Help on Environment: Environment: Supergene alteration product of lomonsovite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1923
Help on Locality: Locality: Lu Javr and Hibina districts, Lovozero Massif, Murmansk, Kola peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named apparently for the locality.
Help on Name Pronunciation: Name Pronunciation: Murmanite + Pronunciation Say MURMANITE
Help on Synonym: Synonym: ICSD 62278
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