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USA | |
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| Agar, William M. (1933), Notes on the Danbury granodiorite gneiss. American Journal of Science: series 5, 25: 1-19. |
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| mineral-resources.findthebest.com (n.d.) http://mineral-resources.findthebest.com/l/103431/Ritch-Diorite-Gneiss-Rock-Quarry |
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| Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Club |
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| Lapham (1957): Epidote from Hawleyville |
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| Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Club |
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| Ronald Januzzi collection |
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| Barton, W. & C. E. Goldsmith (1968) New England Beryllium investigations. US Bureau Mines RI 7070 |
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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. |
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| Mike Polleta Collected and identified these visually. An apatite and kyanite specimen are at the Kent museum of mining and mineral science. |
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| Visually identified as blue crystals by Mike Polletta |
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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. |
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| Shepard (1837) |
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| Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
Yedlin, Neal. (1967). The Micromounter. Rocks and Minerals: 42(11): 840-842. |
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| Philpotts, Anthony R. and Doreen E. Philpotts. (2007), Upward and downward flow in a camptonite dike as recorded by deformed vesicles and the anisotropy of magnetic susceptibility (AMS). Journal of Volcanology and Geothermal Research: 161: 81-94. |
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| Schairer, John Frank (1931): The Minerals of Connecticut(State Geological and Natural History Survey Bulletin 51) |
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| Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
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| Collected/observed-David S. Bernstein 5/2011 |
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| Dana (1875) System of Mineralogy 5th Edition. p. 443. |
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| Dale, T. Nelson and Gregory Herbert E. (1911): The Granites of Connecticut (USGS Bulletin 484). |
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| Dale, T. Nelson and Gregory Herbert E. (1911): The Granites of Connecticut (USGS Bulletin 484). |
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| Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Dana 6:592 |
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| Dale, T. Nelson and Gregory Herbert E. (1911): The Granites of Connecticut (USGS Bulletin 484). |
Fillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA