Columbite-(Fe) from selected localities.
USA | |
| Van King; Cameron, Eugene N.; and others (1954) Pegmatite investigations, 1942-45, in New England. USGS Professional Paper 255. |
| Van King |
Van King |
USA | |
| Van King; Cameron, Eugene N.; and others (1954) Pegmatite investigations, 1942-45, in New England. USGS Professional Paper 255. |
| Van King |
Van King |