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Steenstrupine-(Ce) Mineral Data
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General Steenstrupine-(Ce) Information
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 Chemical Formula: |
Na14Ce6Mn++Mn+++Fe++2(Zr,Th)(Si6O18)2(PO4)7•3(H2O) |
| Composition: |
Molecular Weight = 3,142.39 gm |
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Sodium 10.24 % Na 13.81 % Na2O |
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Cerium 26.75 % Ce 31.34 % Ce2O3 |
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Thorium 1.85 % Th 2.10 % ThO2 |
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Zirconium 2.18 % Zr 2.94 % ZrO2 |
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Manganese 3.50 % Mn 2.26 % MnO / 2.51 % Mn2O3 |
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Iron 3.55 % Fe 4.57 % FeO |
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Silicon 10.73 % Si 22.94 % SiO2 |
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Phosphorus 6.90 % P 15.81 % P2O5 |
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Hydrogen 0.19 % H 1.72 % H2O |
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Oxygen 34.11 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na14Ce6Mn2+Mn3+Fe2+2Zr0.75Th0.25(Si6O18)2(PO4)7�3(H2O) |
| Environment: |
Charateristic mineral associated with ultra-agpaitic pegmatites of nepheline syenites and sodalite syenites. |
| IMA Status: |
Valid Species (Pre-IMA) 1881 |
| Locality: |
Kangerdluarsuc, Julianehaab district, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Name for Knud Hohannes Vogelius Steenstrup (1842-1913), geologist, Copenhagen, Denmark. |
| Name Pronunciation: |
Steenstrupine-(Ce) + Pronunciation  |
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