Granite pegmatite. Oxford pegmatite field.
Originally a mineral collector's site in late 1870's. Opened by Nathan Perry and Edgar D. Andrews in early 1880's. Originally called Harndon Hill, but named changed in a complex change of names about 1917. Operated solely by Nathan Perry by 1882. Operated for massive topaz in 1970's by Col. Joseph Pollack of Harrison, Maine.
Ref.: Thompson, W, Joyner, D., Woodman, R., and King, V., 1998, Maine Mineral Localities, 3rd ed.
King and Foord, 1994, Mineralogy of Maine, Descriptive Mineralogy, v. 1.
Woodard, H. H. (1951): The Geology and Paragenesis of the Lord Hill pegmatite, Stoneham, Maine. American Mineralogist (1951): 36, 869-883.
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Map Reference: 44°13'26"N , 70°56'23"W
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