Mineralogy Database

Monazite-(Sm) Mineral Data

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General Monazite-(Sm) Information

Help on Chemical  Formula: Chemical Formula: SmPO4
Help on Composition: Composition: Molecular Weight = 221.25 gm
   Calcium      1.81 %  Ca    2.53 % CaO
   Cerium       9.50 %  Ce   11.13 % Ce2O3
   Samarium    13.59 %  Sm   15.76 % Sm2O3
   Gadolinium  14.21 %  Gd   16.38 % Gd2O3
   Thorium     15.73 %  Th   17.90 % ThO2
   Phosphorus  12.60 %  P    28.87 % P2O5
   Neodymium    6.52 %  Nd    7.60 % Nd2O3
   Oxygen      26.03 %  O
              ______        ______ 
              100.00 %      100.18 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sm0.2Gd0.2Th0.15Ce0.15Ca0.1Nd0.1(PO4)0.9
Help on Environment: Environment: Lepidolite-subtype granitic pegmatite within the Greer Lake intrusion of pegmatitic leucogranite. Monazite group, structure
Help on IMA Status: IMA Status: Approved IMA 2002 (Dana # Added)
Help on Locality: Locality: Anne Claim #3, 1.2 km northwest of Greer Lake, southeatern Mintoba, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Sm-dominant member of the monazite series.
Help on Name Pronunciation: Name Pronunciation: Monazite-(Sm) Say MONAZITE-(SM)
Help on Synonym: Synonym: ICSD 79751
  IMA2001-001
  PDF 46-1329