Perthite from selected localities.
USA | |
| Rocks & Min. (Sept/Oct 1981); Am. Min. 50 (1965), 713-717; USGS Prof Paper 255; USGS Prof Paper 353; 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. |
Rocks & Min., May 1999.; USGS Prof Paper 255 | |
| Thompson, W. B., Falster, A. U., & Mortimer, T. J. (2022). The Keyes Mica Mines, Orange, Grafton County, New Hampshire. Rocks & Minerals, 97(4), 302-329. |
USGS Prof Paper 255 | |
USGS Prof Paper 255 | |
USGS Prof Paper 255 | |
| USGS Prof Paper 255; Cameron, E. N., Larrabee, D. L., McNair, A. H., Page, J. J., Stewart, G. W., and Shainin, V. E. (1954), Pegmatite Investigations, 1942-45 in New England; USGS Professional Paper 255: 145-147. |
USGS Prof Paper 255 | |
USGS Prof Paper 255 | |
USGS Prof Paper 255 | |
USGS Prof Paper 255 | |
| Cameron, et. al. 1954. Pegmatite Investigations 1942-45 New England.; USGS Prof Paper 255 |
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA