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USA | |
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| Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
Bastin (1910) |
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| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 |
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| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 |
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| Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255 |
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| Seaman, David W. (1947): Reminiscing On Collins Hill, Portland, Conn. Rocks & Minerals, vol. 22, no. 8, pp. 732-3.
Rocks & Min.: 12: 141-143. |
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| Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner
Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8.
Cameron, Eugene N., , (1954) Pegmatite investigations, 1942-45, in New England. Professional Paper 255. US Geological Survey doi:10.3133/pp255
USGS Professional Paper 255: 333-338.
Ralph Lieser of Pappy’s Beryl Shop, East Hampton
and Howard Pate of Fluorescent House, Branford, Connecticut. |
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| Rocks & Minerals (1955) 30:351-358 |
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| Kevin Czaja Collection |
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| Moritz, Harold (n.d.) Personal Communication. |
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| London (1985)
King, Van (n.d.) Personal communcation. |
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| Former Ed Force collection. |
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| Rocks & Min.: 70:403 |
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| Barton and Goldsmith (1968)
Seaman (1963) |
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA