NAME COLUMBITE            Iron Niobium Oxide
Formula (Fe,Mn)(Nb,Ta)2O6
Size 4 cm x 2.5 cm x 1 cm
Crystal System Orthorhombic
Location Rutherford #2 Mine, Amelia, Virginia
Data Purchase from University of Delaware Museum, 2011
Museum # M1325
Photographer L. E. Kearns