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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. |
| 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. Schairer (1931) |
| Gray (2005) Chomiak (1989) |
| David Busha collection David Busha collection SEM-EDS by Kaygeedee Minerals |
| Schooner, Richard. (1961): The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut. Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy. |
| 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. |
Roxbury Iron Mine, Mine Hill, Roxbury, Litchfield County, Connecticut, USA