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Pyatenkoite-(Y) Mineral Data
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General Pyatenkoite-(Y) Information
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 Chemical Formula: |
Na5(Y,Dy,Gd)TiSi6O18•6(H2O) |
| Composition: |
Molecular Weight = 821.63 gm |
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Sodium 13.99 % Na 18.86 % Na2O |
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Gadolinium 1.91 % Gd 2.21 % Gd2O3 |
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Dysprosium 1.98 % Dy 2.27 % Dy2O3 |
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Yttrium 7.57 % Y 9.62 % Y2O3 |
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Titanium 5.83 % Ti 9.72 % TiO2 |
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Silicon 20.51 % Si 43.88 % SiO2 |
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Hydrogen 1.47 % H 13.16 % H2O |
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Oxygen 46.73 % O |
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______ ______ |
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100.00 % 99.71 % = TOTAL OXIDE |
| Empirical Formula: |
Na5Y0.7Dy0.1Gd0.1TiSi6O18•6(H2O) |
| Environment: |
In hyperagpaitic pegmatites. The titanium-dominant analogue of sazykinaite-(Y) |
| IMA Status: |
Approved IMA 1995 (Dana # Added) |
| Locality: |
Mont Alluaiv in the northwestern part of the Lovozero alkaline massif, Kila Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
For Yu. A. Pyatenko (1928-), prominent Russian crystal chemist. |
| Name Pronunciation: |
Pyatenkoite-(Y) + Pronunciation  |
| Synonym: |
ICSD 83238 |
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IMA1995-034 |
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