Mineralogy Database

Tadzhikite-(Y) Mineral Data

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General Tadzhikite-(Y) Information

Help on Chemical  Formula: Chemical Formula: Ca4(Y,Ce)2(Ti,Al,Fe+++,[ ])2[Si4B4O22](OH)2
Help on Composition: Composition: Molecular Weight = 990.13 gm
   Calcium   16.19 %  Ca   22.65 % CaO
   Cerium     7.08 %  Ce    8.29 % Ce2O3
   Yttrium   13.47 %  Y    17.10 % Y2O3
   Titanium   5.80 %  Ti    9.68 % TiO2
   Aluminum   1.64 %  Al    3.09 % Al2O3
   Iron       1.13 %  Fe    1.61 % Fe2O3
   Silicon   11.35 %  Si   24.27 % SiO2
   Boron      4.37 %  B    14.06 % B2O3
   Hydrogen   0.20 %  H     1.82 % H2O
   Oxygen    38.78 %  O
            ______        ______ 
            100.00 %      102.59 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca4Y1.5Ce0.5Ti1.2Al0.6Fe3+0.2B4Si4O22(OH)2
Help on Environment: Environment: In the replacement units of zoned pegmatite dikes.
Help on IMA Status: IMA Status: Approved IMA 1987 (Dana # Added)
Help on Locality: Locality: In the Dara-i-Pioz massif, Alai Range, Tien Shan, Tajikistan (Tadzhikistan). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality and its yttrium content.
Help on Name Pronunciation: Name Pronunciation: Tadzhikite-(Y) + Pronunciation Say TADZHIKITE-(Y)