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