Mineralogy Database

Hydrotungstite Mineral Data

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General Hydrotungstite Information

Help on Chemical  Formula: Chemical Formula: H2WO4•(H2O)
Help on Composition: Composition: Molecular Weight = 267.88 gm
   Hydrogen   1.51 %  H    13.45 % H2O
   Tungsten  68.63 %  W    86.55 % WO3
   Oxygen    29.86 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: H2(WO4)•(H2O)
Help on Environment: Environment: An alteration product of ferberite in the oxidized zone of a hydrothermal tungsten deposit, where it was an ore mineral.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1944
Help on Locality: Locality: Oruro district, at the San Antonio de Calacalani mine, near Colquiri, and in the Juliani mine, Bolivia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its content of H2O and relation to tungstite.
Help on Name Pronunciation: Name Pronunciation: Hydrotungstite + Pronunciation Say HYDROTUNGSTITE