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Seidite-(Ce) Mineral Data
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General Seidite-(Ce) Information
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 Chemical Formula: |
Na4(Ce,Sr)2{Ti(OH)2(Si8O18)}(O,OH,F)4•5(H2O) |
| Composition: |
Molecular Weight = 1,096.99 gm |
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Sodium 8.38 % Na 11.30 % Na2O |
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Strontium 3.99 % Sr 4.72 % SrO |
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Cerium 19.16 % Ce 22.44 % Ce2O3 |
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Titanium 4.36 % Ti 7.28 % TiO2 |
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Silicon 20.48 % Si 43.82 % SiO2 |
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Hydrogen 1.21 % H 10.84 % H2O |
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Oxygen 41.71 % O |
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Fluorine 0.69 % F 0.69 % F |
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- %
F -0.29 % -O=F2 |
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______ ______ |
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100.00 % 100.80 % = TOTAL OXIDE |
| Empirical Formula: |
Na4Ce1.5Sr0.5Ti(OH)2Si8O18O2.4(OH)1.2F0.4�5(H2O) |
| Environment: |
In cavernous natrolite in the Jubileinaya hyperagpaitic pegmatites. Na cations are exchangable indicating a micro-porous structure. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
Found at Mount Karnasurt, Lovozero alkaline complex, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Seidozero, literally Lake Seid, the central lake in the Lovozero complex. |
| Synonym: |
IMA1993-029 |
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