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USA | |
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| Mason, Anita (1976) The World of Rocks and Minerals. Larousse & Co., Inc., New York. |
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| Morrill, P. (1959): Maine Mines and Minerals - Vol. 1, Western Maine. Privately published, 80 p, p 29. |
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| King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey. |
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| Rocks & Min.: 18:268. |
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| King, V. (ed.), 2009, Maine feldspar, Families, and Feuds |
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| Kunz, G., 1895, Precious Stones, Mineral Resources of the United States, p. 595-605. |
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| Mineral News (1993) 9:2 p. 8 |
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| American Mineralogist 18:501-503 |
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| Jim Anderson |
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| Philip Morrill Maine Mines And Minerals Vol 1 Page 27 |
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| King, Van (n.d.) Personal communcation. |
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| Betts, John (n.d.) John Betts website listing.
Mineralogical Record (1990) 21:203-213 |
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| Mineralogical Record (1990) 21:203-213 |
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| King, Van (n.d.) Personal communcation. |
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| Mineralogical Record (1990) 21:203-213 |
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| King, V. (ed.), 2009, Maine feldspar, Families, and Feuds |
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| King, V., 2009, Maine Feldspar, Families, and Feuds. |
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| Rocks & Min.: 16:279. |
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| Cliff Treblicock |
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| Cliff Trebilcock |
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| Morrill & Hinckley, 1959. Maine Mines & Minerals, Vol. 2
USGS Bull 313 |
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| Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2 |
Deer Hill, Stow, Oxford County, Maine, USA