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Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA

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Latitude & Longitude (WGS84): 43° 45' 5'' North , 71° 53' 22'' West
Latitude & Longitude (decimal): 43.7512951867, -71.8895619877


Located near the village of North Groton, on the southeast flank of Bald Mountain. Mined for mica beginning in 1863, though not on a serious level until the Hartford Mining company worked it from 1878 to 1888. Later it was a source of beryl, feldspar, and quartz, too. The mine first became known as the Palermo Mine in 1888 when it was purchased by the Palermo Mining Company of Schenectady, New York. When General Electric owned and operated it from 1898 to 1945 it was known as the GE Mine, which produced muscovite, microcline and beryl. The name reverted to Palermo Mine when the Ashley Mining Corp. leased it from GE from 1945 to 1958 and since then that name has remained. It was owned by the Mountain Mining Company until 1973 and leased to N. E. Materials (Rex Howard, who mined the quartz core) and later Peter Samuelson. Since 1973 it has been owned by the Palermo Mining Co. LTD and operated almost solely for mineral specimens, including many rare phosphate species. (Whitmore and Lawrence, 2004)

Fuller (1898) reported on a pocket at the mine which was said to be ten feet in diameter. A quartz crystal, three feet in diameter, was taken from the roof of the pocket, according to the mine superintendent at the time.

Mindat Articles

Pre Hibernation Collecting by Paul Gilmore


Mineral List

Albite

var: Cleavelandite

var: Oligoclase

'Alluaudite-Ferroalluaudite Series'

Almandine

Amblygonite

Anapaite

Anatase

'Apatite'

Arrojadite-(KFe)

Arsenopyrite

Augelite

Autunite

Azurite

Barbosalite

Beraunite

Bermanite

Bertrandite

Beryl

var: Aquamarine

var: Heliodor

Beryllonite

'Biotite'

Birnessite

Bismuth

Bismuthinite

Bjarebyite (TL)

Bornite

Brazilianite

Brushite

Cacoxenite

Cerussite

Chalcopyrite

Childrenite

Chlorapatite

'Chlorite Group'

Clarkeite ?

Collinsite

Columbite-(Fe)

Compreignacite

Covellite

Crandallite

Cuprite

var: Chalcotrichite

'Cyrtolite'

Diadochite

Dickinsonite-(KMnNa)

Djurleite

Dufrénite

Elbaite ?

Eosphorite

Ernstite ?

Fairfieldite

Falsterite (TL)

'Feldspar Group'

'var: Perthite'

Ferrisicklerite

'Ferrohagendorfite'

Ferrostrunzite

Florencite-(Ce)

Fluorapatite

var: Carbonate-rich Fluorapatite

Foggite (TL)

Frondelite

Galena

Gatumbaite

Goedkenite (TL)

Goethite

Gordonite

Gormanite

Goyazite

Graftonite

Greifensteinite

'Gummite'

Gypsum

Hagendorfite

'Hagendorfite-NaNa'

Hematite

Heterosite

Hinsdalite

Hisingerite

Hollandite

Hopeite

Hureaulite

Hydroxylapatite

var: Carbonate-rich Hydroxylapatite

Hydroxylherderite

Ice

Jahnsite-(CaMnFe)

Jahnsite-(CaMnMn)

Keckite

Kryzhanovskite

Kulanite

Landesite

Laueite

Lazulite

Leucophosphite

'Limonite'

Löllingite

Ludlamite

Magnetite

Malachite

'Manganese Oxides'

'var: Manganese Dendrites'

Manganite

Marcasite

Melanterite

Messelite

Meta-autunite

Metaswitzerite ?

Metatorbernite

Metavivianite

Microcline

Mitridatite

Montebrasite

Moraesite

Muscovite

var: Illite

var: Sericite

Natropalermoite (TL)

Nizamoffite (TL)

Nontronite

Opal

var: Opal-AN

Palermoite (TL)

Parascholzite

Paravauxite

Paulscherrerite

Phosphoferrite

Phosphophyllite

Phosphosiderite

Phosphuranylite

Pseudolaueite

Pseudomalachite

'Psilomelane'

Purpurite

Pyrite

Pyrolusite

Pyromorphite

Pyrrhotite

Quartz

var: Blue Quartz

var: Citrine

var: Milky Quartz

var: Rock Crystal

var: Rose Quartz

var: Sceptre Quartz

var: Smoky Quartz

Realgar

Reddingite

Rhodochrosite

Rockbridgeite

Roscherite

Rutherfordine

Samuelsonite (TL)

Sarcopside

Schoepite

Schoonerite (TL)

Schorl

Scorzalite

Siderite

Sillimanite

Sinkankasite

Smithsonite

Souzalite

Sphalerite

Stewartite

Strengite

Strunzite

Tantalite-(Fe)

Tavorite

Todorokite

Torbernite

Triphylite

Triploidite

Uraninite

Uranophane

Uranophane-β

Ushkovite

Vandendriesscheite

Vivianite

Wardite

Whiteite-(CaMnMg)

Whiteite-(MnFeMg)

Whitlockite (TL)

Whitmoreite (TL)

Wolfeite (TL)

Xanthoxenite (TL)

Zanazziite

'Zinnwaldite'

Zircon


153 valid minerals. 13 (TL) - type locality of valid minerals. 6 erroneous literature entries.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Wadsworth, Marshman Edward (1880): Report on the Mica Deposits of the Hartford Mica Mining Company, Groton, Grafton County, New Hampshire (Boston: private publication).

Fuller, Myron L. (1898): Crushed Quartz and Its Source, Stone, an Illustrated Magazine: 18: 3.

Sterrett, D. (1914). Some deposits of Mica in the United States, USGS Bulletin 580-F: 72-74.

Sterrett, D. (1923): Mica deposits of the United States, USGS Bulletin 740.

Berman, Harry (1927): Graftonite from a new locality in New Hampshire, American Mineralogist: 12: 170.

Elwell, Wilbur J. (1936): A Mineralogical Trip Through New England. Rocks and Minerals: 11(3): 36-7.

Verrow, H.J. (1941): "Pegmatite minerals of the Palermo quarry, North Groton, New Hampshire," Rocks & Minerals: 16: 208-211.

Frondel, C. and Lindberg, M. (1948): Second occurrence of brazilianite, American Mineralogist: 33: 135–141.

Frondel, Clifford (1949): Wolfeite, xanthoxenite and whitlockite from the Palermo Mine, New Hampshire, American Mineralogist: 34: 692.

Wolfe, C. W. (1949): Ludlamite from the Palermo mine, North Groton, New Hampshire, American Mineralogist: 34: 94.

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.

Mrose, M. E. (1953): Palermoite and goyazite, two strontium minerals from the Palermo Mine, North Groton, New Hampshire, American Mineralogist: 38: 354.

Cameron E.N.; Larabee, D.M.; McNair, A.H.; Page. J.J.; Stewart, G.W.; Shainin, V.E. (1954): Pegmatite investigations 1942-1945, New England, USGS Professional Paper 255: 1-352.

Frondel, Clifford (1956): Systematic Mineralogy of Uranium and Thorium, USGS Bulletin 1064, pp. 400.

Frondel, Clifford and Ito, Jun (1965): Composition of palermoite, American Mineralogist: 50: 777.

Gregory, G. E. (1965): Palermo No. 1 Mine, Gems and Minerals, Dec. 1965: 22-23.

Moore, P.B. and Lund, D. H. (1973): Bjarebyite...a new species, Mineralogical Record: 4: 282-285.

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.

Calvo, C., and R. Gopal. (1975): The Crystal Structure of Whitlockite from the Palermo Quarry, American Mineralogist: 60: 120-133.

Moore, P. B., Irving, A. J., and Kampf, A. R. (1975): Foggite, Goedkenite, and Samuelsonite: Three new species from the Palermo No. 1 pegmatite, North Groton, New Hampshire, American Mineralogist: 60: 957-964.

Francis, C. (1976): The Palermo #1 Pegmatite, North Groton, Grafton County, New Hampshire, Mineralogical Record: 7: 102.

Moore, P. B. and A. R. Kampf (1977): Schoonerite, a new zinc-manganese-iron phosphate mineral, American Mineralogist: 62: 246-249.

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.

Pitman, L.C. (1989) Laueite from Hagendorf-Süd and the Palermo mine, Mineralogical Record: 20: 363–364.

Dallaire, D. A. and Whitmore, R. W. (1990): Mines and minerals of North Groton, New Hampshire, Rocks & Minerals: 65: 350-360.

Korzeb, Stanley L. (1990): Pseudomalachite: New Find at the Palermo No. 1 Pegmatite, New Hampshire, Rocks & Minerals: 65: 348-349.

Barker, Pat Berry (1995): Palermo Mine's Vanishing Bubbles, Mineral News: 11(5): 1-2.

Foord, Eugene E., Korzeb, Stanley L., Lichte, Frederick, E., and Fitzpatrick, Joan J. (1997). "Additional Studies on Mixed Uranyl Oxide-Hydroxide Hydrate Alteration Products of Uraninite from the Palermo and Ruggles Granitic Pegmatites, Grafton County, New Hampshire", Canadian Mineralogist: 35: 145-151.

Korzeb, Stanley L.; Foord, Eugene E. and Lichte, Frederick E. (1997):The chemical evolution and paragenesis of uranium minerals from the Ruggles and Palermo granitic pegmatites, New Hampshire, Canadian Mineralogist: 35: 135-144.

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.

King, V. (2002): Palermoite from the Palermo No.1 pegmatite, Groton, Grafton county, New Hampshire, Rocks & Minerals: 77: 173 (Crystallography); 77: 240-241 (Paragenesis).

Whitmore, R.W. and Lawrence, R.C., Jr. (2004): The Pegmatite Mines Known as Palermo (Friends of Palermo Mines, North Groton, New Hampshire).

Nizamoff, James W., et al. (2007). Parascholzite, keckite, gormanite, and other previously unreported secondary species and new data on kulanite and phosphophyllite from the Palermo No. 1 Mine, North Groton, New Hampshire, Rocks & Minerals: 82: 145 (abstract, Rochester Mineralogical Symposium).

Hughes, John M.; Jolliff, Bradley L.; and Rakovan, John (2008): The crystal chemistry of whitlockite and merrillite and the dehydrogenation of whitlockite to merrillite, American Mineralogist: 93: 1300-1305.

McManus, Catherine E.; McMillan, Nancy J.; Harmon, Russell S.; Whitmore, Robert; De Lucia, Frank C. Jr.; and Miziolek, Andrzej W. (2008): Use of laser induced breakdown spectroscopy in the determination of gem provenance: beryls (Applied Optics): 47: G72-G79.

Kampf, A. R., Mills, S. J., Simmons, W. B., Nizamoff, J. W., Whitmore, R. W. (2012): Falsterite,Ca2MgMn2+2(Fe2+0.5Fe3+0.5)4Zn4(PO4)8(OH)4(H2O)14, a new secondary phosphate mineral from the Palermo No. 1 pegmatite, North Groton, New Hampshire. American Mineralogist: 97: 496-502.

Mineral and/or Locality  
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