Mineralogy Database

Monazite-(Nd) Mineral Data

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General Monazite-(Nd) Information

Help on Chemical  Formula: Chemical Formula: (Nd,Ce,La)(P,Si)O4
Help on Composition: Composition: Molecular Weight = 240.72 gm
   Lanthanum   14.43 %  La   16.92 % La2O3
   Cerium      11.64 %  Ce   13.64 % Ce2O3
   Thorium      4.82 %  Th    5.48 % ThO2
   Silicon      2.92 %  Si    6.24 % SiO2
   Phosphorus   9.65 %  P    22.11 % P2O5
   Neodymium   29.96 %  Nd   34.94 % Nd2O3
   Oxygen      26.59 %  O
              ______        ______ 
              100.00 %       99.34 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Nd0.5La0.25Ce0.2Th0.05(PO4)0.75(SiO4)0.25
Help on Environment: Environment: Granitic pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: Mars Hill, Madison County, North Carolina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek monazeis - "to be alone" in allusion to its isolated crystals and their rarity when first found.
Help on Name Pronunciation: Name Pronunciation: Monazite-(Nd) Say MONAZITE-(ND)
Help on Synonym: Synonym: ICSD 79750
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