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USA | |
| Jeremy Zolan Collecton- Specimens Identified 3/31/2007 |
| Schairer, John F. (1931): Minerals of Connecticut. Connecticut Geological and Natural History Survey Bulletin 51. |
| 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. |
| Eaton, Frederick S. (1927): Mineral Localities of Connecticut. Rocks & Minerals, vol. 2, no. 4, pp. 141-2. |
| Mike Polletta observation, occurring with malachite as a red film on rock |
Copper Valley Mine, Cheshire, New Haven County, Connecticut, USA