|  |  | 
	 Tadzhikite-(Ce) Mineral Data  |  |  | 
   
| General Tadzhikite-(Ce)  Information  | 
|  Chemical  Formula: | Ca4(Ce,Y)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2 | 
|  Composition: | Molecular Weight = 998.93 gm | 
|  | Calcium   16.05 %  Ca   22.46 % CaO | 
|  | Cerium    21.04 %  Ce   24.64 % Ce2O3 | 
|  | Yttrium    4.45 %  Y     5.65 % Y2O3 | 
|  | Titanium   2.88 %  Ti    4.80 % TiO2 | 
|  | Aluminum   0.81 %  Al    1.53 % Al2O3 | 
|  | Iron       0.56 %  Fe    0.80 % Fe2O3 | 
|  | Silicon   11.25 %  Si   24.06 % SiO2 | 
|  | Boron      4.33 %  B    13.94 % B2O3 | 
|  | Hydrogen   0.20 %  H     1.80 % H2O | 
|  | Oxygen    38.44 %  O | 
|  | ______        ______ | 
|  | 100.00 %       99.68 % = TOTAL OXIDE | 
|  Empirical Formula: | Ca4Ce1.5Y0.5Ti0.6Al0.3Fe3+0.1B4Si4O22(OH)2 | 
|  IMA Status: | Approved IMA 1987 | 
|  Locality: | In the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan (Tadzhikistan). Link to MinDat.org Location Data. | 
|  Name Origin: | Named for the locality and its cerium content. | 
|  Name Pronunciation: | Tadzhikite-(Ce)  + Pronunciation   | 
|  Synonym: | ICSD 20528 | 
|  | IMA2000-F | 
|  | PDF 24-137 | 
|  | Tadzhikite | 
|  |