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	 Petersenite-(Ce) Mineral Data  |  |  | 
   
| General Petersenite-(Ce)  Information  | 
|  Chemical  Formula: | (Na,Ca)4(Ce,La,Nd)2(CO3)5 | 
|  Composition: | Molecular Weight = 672.29 gm | 
|  | Sodium         12.65 %  Na   17.06 % Na2O | 
|  | Strontium       1.30 %  Sr    1.54 % SrO | 
|  | Calcium         1.79 %  Ca    2.50 % CaO | 
|  | Lanthanum      12.40 %  La   14.54 % La2O3 | 
|  | Cerium         20.84 %  Ce   24.41 % Ce2O3 | 
|  | Praeseodymium   2.10 %  Pr    2.45 % Pr2O3 | 
|  | Carbon          8.93 %  C    32.73 % CO2 | 
|  | Neodymium       4.29 %  Nd    5.00 % Nd2O3 | 
|  | Oxygen         35.70 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.24 % = TOTAL OXIDE | 
|  Empirical Formula: | Na3.7Ca0.3CeLa0.6Nd0.2Sr0.1Pr0.1(CO3)5 | 
|  Environment: | Rare accessory mineral in pegmatites in nepheline-sodalite syenites near a hornfels contact. | 
|  IMA Status: | Approved IMA 1994 | 
|  Locality: | Mont Saint-Hilaire, Quebec, Canada. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for Ole Valdemar Petersen (1939-), Curator, Geology Museum, Copenhagen, Denmark. | 
|  Name Pronunciation: | Petersenite-(Ce)  + Pronunciation   | 
|  Synonym: | ICSD 79144 | 
|  | IMA1992-048 | 
|  | PDF 46-1471 | 
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