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Lennilenapeite Mineral Data
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General Lennilenapeite Information
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 Chemical Formula: |
K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216•16(H2O) |
| Composition: |
Molecular Weight = 8,425.53 gm |
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Potassium 2.51 % K 3.02 % K2O |
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Barium 1.14 % Ba 1.27 % BaO |
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Sodium 0.14 % Na 0.18 % Na2O |
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Magnesium 4.21 % Mg 6.98 % MgO |
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Manganese 9.00 % Mn 11.62 % MnO |
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Aluminum 2.85 % Al 5.39 % Al2O3 |
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Zinc 5.04 % Zn 6.28 % ZnO |
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Iron 9.15 % Fe 6.40 % FeO / 5.97 % Fe2O3 |
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Silicon 20.80 % Si 44.50 % SiO2 |
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Hydrogen 0.94 % H 8.39 % H2O |
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Oxygen 44.23 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K5.4Ba0.7Na0.5Mg14.6Mn2+13.8Fe2+7.5Zn6.5Fe3+5.6Si62.4Al8.9Fe3+0.7O171.3(OH)44.7�16.9(H2O)
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| Environment: |
Primary and late stage mineral in a metamorphosed zinc deposit. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the Lenni Lenape Native American tribe, who first inhabited the type locality region. |
| Name Pronunciation: |
Lennilenapeite + Pronunciation  |
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