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	 Tuperssuatsiaite Mineral Data  |  |  | 
   
| General Tuperssuatsiaite  Information  | 
|  Chemical  Formula: | Na(Fe+++,Mn)3[Si8O20](OH)2•n(H2O) | 
|  Composition: | Molecular Weight = 818.31 gm | 
|  | Sodium      5.34 %  Na    7.20 % Na2O | 
|  | Titanium    1.17 %  Ti    1.95 % TiO2 | 
|  | Manganese   3.36 %  Mn    4.33 % MnO | 
|  | Iron       15.01 %  Fe   21.47 % Fe2O3 | 
|  | Silicon    27.46 %  Si   58.74 % SiO2 | 
|  | Hydrogen    0.74 %  H     6.60 % H2O | 
|  | Oxygen     46.92 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.29 % = TOTAL OXIDE | 
|  Empirical Formula: | Na1.9Fe3+2.2Mn2+0.5Ti0.2Si8O20(OH)2�2(H2O) | 
|  Environment: | A late-stage, low-temperature, hydrothermal mineral in veins cutting nepheline syenite and in sodalite-nepheline syenite pegmatite. | 
|  IMA Status: | Approved IMA 1984 | 
|  Locality: | Tuperssuatsiait Bay, Greenland. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for the locality. | 
|  Name Pronunciation: | Tuperssuatsiaite  + Pronunciation   | 
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