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Paulkerrite Mineral Data
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General Paulkerrite Information
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 Chemical Formula: |
K(Mg,Mn)2(Fe+++,Al)2Ti(PO4)4(OH)3•15(H2O) |
| Composition: |
Molecular Weight = 970.02 gm |
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Potassium 3.63 % K 4.37 % K2O |
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Magnesium 2.76 % Mg 4.57 % MgO |
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Titanium 5.92 % Ti 9.88 % TiO2 |
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Manganese 5.66 % Mn 7.31 % MnO |
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Aluminum 0.83 % Al 1.58 % Al2O3 |
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Iron 8.64 % Fe 12.35 % Fe2O3 |
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Phosphorus 12.77 % P 29.27 % P2O5 |
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Hydrogen 3.39 % H 30.27 % H2O |
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Oxygen 55.42 % O |
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Fluorine 0.98 % F 0.98 % F |
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- %
F -0.41 % -O=F2 |
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______ ______ |
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100.00 % 100.16 % = TOTAL OXIDE |
| Empirical Formula: |
K0.9Mg1.1Mn2+Fe3+1.5Al0.3Ti1.2(PO4)4(OH)2.6F0.5�15(H2O) |
| Environment: |
An alteration product of triplite in complexly zoned granite pegmatites. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
At the 7U7 Ranch, 40 km west of Hillside, Bagdad district, Yavapai County, Arizona, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named after Paul Francis Kerr (1897-1981), Professor of Mineralogy, Columbia University, New York City, New York, USA. |
| Name Pronunciation: |
Paulkerrite + Pronunciation  |
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