Sillimanite from selected localities.
USA | |
| Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255; Korzeb, Stanley L.; Foord, Eugene E. and Lichte, Frederick E. (1997): The chemical evolution and paragenesis of uranium minerals from the Ruggles and Palermo granitic pegmatites, New Hampshire, Canadian Mineralogist: 35: 135-144. |
| USGS Prof Paper 255 |