Mineralogy Database

Mckelveyite-(Nd) Mineral Data

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General Mckelveyite-(Nd) Information

Help on Chemical  Formula: Chemical Formula: (Ba,Sr)(Ca,Na,Nd,REE)(CO3)2•3-10(H2O)
Help on Composition: Composition: Molecular Weight = 456.93 gm
   Barium           22.54 %  Ba   25.17 % BaO
   Sodium            1.01 %  Na    1.36 % Na2O
   Strontium         4.79 %  Sr    5.67 % SrO
   Calcium           4.39 %  Ca    6.14 % CaO
   La,Ce,Pr,Nd,Sm,   3.15 %  RE    3.68 % REE2O3
   Hydrogen          3.53 %  H    31.54 % H2O
   Carbon            5.26 %  C    19.26 % CO2
   Neodymium         6.31 %  Nd    7.36 % Nd2O3
   Oxygen           49.02 %  O
                   ______        ______ 
                   100.00 %      100.18 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba0.75Sr0.25Ca0.5Na0.2Nd0.2REE0.1(CO3)2•8(H2O)
Help on Environment: Environment: An inadequately described species.
Help on IMA Status: IMA Status: Not Approved IMA 1993
Help on Locality: Locality: Vuoriyarvi massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Vincent E. McKelvey, 1916-1985), director of the U.S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Mckelveyite-(Nd) + Pronunciation Say MCKELVEYITE-(ND)