Dumortierite from selected localities.
USA | |
| King, V., 2008, Maine Feldspar, Families, and Feuds |
| King, V., 2008, Maine Feldspar, Families, and Feuds |
| King, Vandall T. and Foord, E. E. (2000), Mineralogy of Maine, Mining History, Gems, and Geology, volume 2, Maine Geological Survey, Augusta, Maine, 524 pp. + 25 plates. |