Beryl from selected localities.
USA | |
| Morrill, P., 1960, New Hampshire Mines and Mineral Localities.; Rocks & Minerals (2005) 80:242-261 New Hampshire Mineral Locality Index; USGS Prof Paper 255 |
| Nicolay & Stone (1967), Rocks & Minerals: A Guide For Collectors of the Eastern US, p.82; USGS Prof Paper 255 |
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA