(Black Mountain quarry)
Granite pegmatite. Oxford field. Primarily a mica quarry with four closely spaced nearly overlapping pits. Noted for its mineral specimen variety. The eosphorite from this locality was formerly the world record size (37 mm).
Ref.: Rocks & Minerals (1927): 2: 6.
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: 969.
Rocks & Minerals (1988): 63: 129-130.
Dyar, M.D., Guidotti, C.V., Core, D.P., Wearn, K.M., Wise, M.A., Francis, C.A., Johnson, K., Brady, J.B., Robertson, J.D., and Cross, L.R. (1999) Stable isotope and crystal chemistry of tourmaline across pegmatite-country rocks boundaries at Black Mountain and Mount Mica, southwestern Maine, USA. European Journal of Mineralogy: 11: 281-294.
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Map Reference: 44°35'7"N , 70°38'47"W
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Mineral List:66 entries listed. 51 valid minerals. 1 type locality (valid mineral). 6 erroneous literature entries.
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