Vanadium bearing magnetite from the Otanmaki mine, Finland were studied by ore microscope and electron probe microanalyser. Vanadium contents in the magnetite are ranging from 1.32 to 1.87 wt % V_2O_3 , and average is 1.56 wt % for 20 analytical data. This value is somewhat little compared with magnetite from the Kohyama gabbro, Japan.
Vanadium bearing magnetite
Ilmenite
Otanmaki mine
Finland