Mineralogy Database

Surkhobite Mineral Data

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General Surkhobite Information

Help on Chemical  Formula: Chemical Formula: KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8
Help on Composition: Composition: Molecular Weight = 3,523.22 gm
   Potassium   1.56 %  K     1.88 % K2O
   Barium     10.06 %  Ba   11.23 % BaO
   Sodium      1.70 %  Na    2.29 % Na2O
   Strontium   0.22 %  Sr    0.26 % SrO
   Calcium     1.82 %  Ca    2.55 % CaO
   Magnesium   0.08 %  Mg    0.13 % MgO
   Zirconium   0.26 %  Zr    0.35 % ZrO2
   Titanium    9.74 %  Ti   16.26 % TiO2
   Manganese  12.74 %  Mn   16.45 % MnO
   Niobium     1.50 %  Nb    2.15 % Nb2O5
   Aluminum    0.01 %  Al    0.01 % Al2O3
   Iron       12.40 %  Fe   14.03 % FeO /  2.13 % Fe2O3
   Silicon    12.80 %  Si   27.39 % SiO2
   Hydrogen    0.13 %  H     1.18 % H2O
   Oxygen     32.02 %  O
   Fluorine    2.96 %  F     2.96 % F
                -   %   F    -1.25 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.6K1.41Ca1.6Sr0.09Ba2.58Mn2+8.17Fe2+6.88Fe3+0.94Mg0.11Al0.01Ti7.17Nb0.57Zr0.1 Si16.06H4.61F5.49O70.51
Help on Environment: Environment: Rare-metal syenite pegmatite. Discredited because surkhobite (2003) is considered to be junshajiangite (1981). Redefined with new formula 2008.
Help on IMA Status: IMA Status: Redifined IMA 2008, Discredited IMA 2007, Approved IMA 2003 (Dana # Added)
Help on Locality: Locality: Serkhob River Basin, Dara-i-Pioz massif, Central Tajikistan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2002-037
  IMA2007-06-E - Surkhobite Discredited
  IMA2008-07-A - Surkhobite Redifined