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Kidwellite Mineral Data
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General Kidwellite Information
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Chemical Formula: |
Na(Fe+++,Cu)9+x(PO4)6(OH)11•3(H2O) |
Composition: |
Molecular Weight = 1,368.34 gm |
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Sodium 1.68 % Na 2.26 % Na2O |
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Iron 36.73 % Fe 52.52 % Fe2O3 |
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Copper 2.32 % Cu 2.91 % CuO |
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Phosphorus 13.58 % P 31.12 % P2O5 |
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Hydrogen 1.25 % H 11.19 % H2O |
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Oxygen 44.43 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaFe3+9Cu0.5(PO4)6(OH)11•3(H2O) |
Environment: |
Assoicated with other phosphates in novaculite deposits. |
IMA Status: |
Approved IMA 1978 |
Locality: |
Coon Creek mine, Shady, Polk County, Arkansas, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for Albert Laws Kidwell (1919-), Houston, Texas. |
Name Pronunciation: |
Kidwellite + Pronunciation |
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