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Stornesite-(Y) Mineral Data
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General Stornesite-(Y) Information
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 Chemical Formula: |
(Y, Ca)[ ]2Na6(Ca,Na)8(Mg,Fe)43(PO4)36 |
| Composition: |
Molecular Weight = 5,318.15 gm |
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Sodium 3.76 % Na 5.06 % Na2O |
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Strontium 0.02 % Sr 0.02 % SrO |
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Calcium 4.07 % Ca 5.69 % CaO |
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Yttrium 1.14 % Y 1.44 % Y2O3 |
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Ytterbium 0.20 % Yb 0.22 % Yb2O3 |
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Magnesium 14.04 % Mg 23.27 % MgO |
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Uranium 0.01 % U 0.02 % UO2 |
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Manganese 0.19 % Mn 0.24 % MnO |
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Iron 12.14 % Fe 15.62 % FeO |
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Silicon 0.01 % Si 0.02 % SiO2 |
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Phosphorus 21.10 % P 48.34 % P2O5 |
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Sulfur 0.02 % S 0.06 % SO3 |
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Oxygen 43.32 % O |
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______ ______ |
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100.00 % 100.01 % = TOTAL OXIDE |
| Empirical Formula: |
Y0.68Yb0.06U0.003Na8.69Ca5.4Sr0.01Mg30.71Fe2+11.56Mn2+0.18Si0.02S0.04P36.22O144 |
| Environment: |
Found as inclusions in fluorapatite nodules in two paragneiss specimens. Y-dominant analog of the meteoritic mineral chladniite. Fillowite group. |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Johnston Fjord, Stornes Peninsula, Prydz Bay, East Antarctica Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
| Synonym: |
IMA2005-040 |
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