Mineralogy Database

Ilsemannite Mineral Data

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General Ilsemannite Information

Help on Chemical  Formula: Chemical Formula: Mo3O8•n(H2O) (?)
Help on Composition: Composition: Molecular Weight = 433.83 gm
   Molybdenum  66.34 %  Mo   99.54 % MoO3
   Hydrogen     0.46 %  H     4.15 % H2O
   Oxygen      33.19 %  O
              ______        ______ 
              100.00 %      103.69 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mo3O8•(H2O)
Help on Environment: Environment: Alteration product of molybdenite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1871
Help on Locality: Locality: Blieberg, Carinthia, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for J. C. Ilsemann (1727-1822), mining commissioner at Clausthal, Harz, Germany.
Help on Name Pronunciation: Name Pronunciation: Ilsemannite + Pronunciation Say ILSEMANNITE