Ilmenite from selected localities.
USA | |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| American Mineralogist, Volume 73, pages 324-337, 1988 |
Rocks & Minerals: 67(6): 380-388.; USGS Bull 380D |