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USA | |
| 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. |
| King, Van (n.d.) Personal communcation. |
| Januzzi, Ronald. E. (1994) Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut, USA. 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. |
| 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. |
| David Busha collection |
| Rocks and Minerals (1999) 74:110-121 |
| Moritz, Harold (n.d.) Personal Communication. |
| Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p.277 |
| Moritz, Harold (n.d.) Personal Communication. |
| David Busha collection |
| Eric Quinter collection |
| Shepard (1837) |
| Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy. |
| Tom Benedict collection, Harold Moritz collection |
| Vajdak, Josef. (1997), New Mineral Finds in 1996, News from Vajdak of Pequa Rare Minerals and Metals. Mineral News: 13:(3): 1,4,5. 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 Ralph Lieser of Pappy’s Beryl Shop, East Hampton and Howard Pate of Fluorescent House, Branford, Connecticut. |
| 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 Schairer, J. F. (1931): The Minerals of Connecticut. State Geological and Natural History Survey Bulletin 51. Ralph Lieser of Pappy’s Beryl Shop, East Hampton and Howard Pate of Fluorescent House, Branford, Connecticut. |
| Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut. |
| Wells, H. L. (1887), Bismutosphaerite from Willimantic and Portland. American Journal of Science: s. 3, 34: 271-4. |
| Rocks & Minerals (1995) 70:396-409 |
| 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: 261. |
| Wells, H. L. (1887), Bismutosphaerite from Willimantic and Portland. American Journal of Science: s. 3, 34: 271-4. |
Hewitt Gem Quarry, Haddam, Middlesex County, Connecticut, USA