Mineralogy Database

Kidwellite Mineral Data

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General Kidwellite Information

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