Mineralogy Database

Monazite-(Ce) Mineral Data

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General Monazite-(Ce) Information

Help on Chemical  Formula: Chemical Formula: (Ce,La,Nd,Th)PO4
Help on Composition: Composition: Molecular Weight = 240.21 gm
   Lanthanum   14.46 %  La   16.95 % La2O3
   Cerium      29.17 %  Ce   34.16 % Ce2O3
   Thorium      4.83 %  Th    5.50 % ThO2
   Phosphorus  12.89 %  P    29.55 % P2O5
   Neodymium   12.01 %  Nd   14.01 % Nd2O3
   Oxygen      26.64 %  O
              ______        ______ 
              100.00 %      100.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ce0.5La0.25Nd0.2Th0.05(PO4)
Help on Environment: Environment: Granitic pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1829
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-(Ce) Say MONAZITE-(CE)
Help on Synonym: Synonym: Cheralite-(Ce)
  ICSD 79746
  PDF 32-199