Mineralogy Database

Monazite-(La) Mineral Data

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General Monazite-(La) Information

Help on Chemical  Formula: Chemical Formula: (La,Ce,Nd)PO4
Help on Composition: Composition: Molecular Weight = 239.90 gm
   Lanthanum   28.95 %  La   33.95 % La2O3
   Cerium      14.60 %  Ce   17.10 % Ce2O3
   Thorium      4.84 %  Th    5.50 % ThO2
   Phosphorus  12.91 %  P    29.58 % P2O5
   Neodymium   12.02 %  Nd   14.03 % Nd2O3
   Oxygen      26.68 %  O
              ______        ______ 
              100.00 %      100.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: La0.5Ce0.25Nd0.2Th0.05(PO4)
Help on Environment: Environment: Granitic pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1966
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-(La) Say MONAZITE-(LA)
Help on Synonym: Synonym: ICSD 79747
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