Located near the village of North Groton, on the southeast flank of Bald Mountain. Mined for mica beginning in 1863; later for beryl, feldspar, and quartz. Since 1973 operated solely for mineral specimens, including many rare phosphate species. New Hampshire Plutonic Suite pegmatite, Grafton field.
Refs.:
Verrow, H.J. (1941): "Pegmatite minerals of the Palermo qurry, North Groton, New Hampshire",Rocks & Minerals: 16: 208-211.
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: 835, 842-843, 855, 868, 876, 938, 953, 960, 977.
Moore, P,B., Kampf, A.R., and Irving, A.J.(1974): "Whitmoreite, a new species: its description and atomic arrangement", American Mineralogist: 59: 900-905.
Thompson, W. (1974): The Palermo mine, New Hampshire". Mineralogical Record: 5: 274-279.
Segeler, C.G., Ulrich, W., Kampf, A.R., and Whitmore, R.W. (1981): "Phosphate minerals of the Palermo No. 1 Pegmatite", Rocks & Minerals: 56: 196-214.
Whitmore, R.W. and Lawrence, R.C., Jr. (2004): "The Pegmatite Mines Known As Palermo" Friends of Palermo Mines, North Groton, New Hampshire.
