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\ MaineUSA: Acanthite \\ Azurite \\ Darrellhenryite \\ Earlshannonite \\ Ilmenite \\ Mackinawite \\ Opal \\ Tantalite-(Fe)\\ Ulvospinel\\ Zoisite \\

 

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Bastin, E.S. (1911) Geology of the pegmatites and associated rocks of Maine, including feldspar, quartz, mica, and gem deposits. U.S. Geological Survey Bulletin 445, 152 pages.
King, V.T., Foord, E.E. (1994) Mineralogy of Maine, Volume 1: Descriptive Mineralogy. Maine Geological Survey, 418 pages.
King, V.T. (ed.) (2000) Mineralogy of Maine, Volume 2: Mining History, Gems, and Geology. Maine Geological Survey, 524 pages.
King, V.T. (2009) Maine Feldspar, Families, and Feuds, Oxford County Mining History. New England Historical Publications.

 

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