Triphylite from selected localities.
USA | |
| "Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992 |
| Emerson, Geology of Massachusetts and Rhode Island, 1917. (USGS Bulletin 597), p.257; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 667. |