Ilsemannite Mineral Data

General Ilsemannite Information
Chemical Formula:	Mo3O8•n(H2O) (?)
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
Empirical Formula:	Mo₃O₈•(H₂O)
Environment:	Alteration product of molybdenite.
IMA Status:	Valid Species (Pre-IMA) 1871
Locality:	Blieberg, Carinthia, Austria. Link to MinDat.org Location Data.
Name Origin:	Named for J. C. Ilsemann (1727-1822), mining commissioner at Clausthal, Harz, Germany.
Name Pronunciation:	Ilsemannite + Pronunciation