Triphylite from selected localities.
USA | |
| Moore, P. B., 2000, Analyses of Primary Phosphates from Pegmatites in Maine and Other Localities, in V. T. King (editor), Mineralogy of Maine. Mining History, Gems, and Geology, Maine Geological Survey, Augusta, Maine, p. 333-336. |
| Rocks & Minerals: 75(3): 156-169. |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |