Pericline from
USA | |
| Cahoon, James C. (1985). Massachusetts: A Classic Swiss Alpine Cleft Mineral Region (Boston Mineralogical Symposium program book, May 1985) |
| Palache, Charles, Gonyer, F. A. (1932) On babingtonite. American Mineralogist, 17 (7) 295-303 |
Aggregate Industries Quarry, Ashland, Middlesex County, Massachusetts, USA