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USA | |
| John Burnham |
| John Burnham |
| various added photos |
| 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. |
| Moritz, Harold (n.d.) Personal Communication. |
| 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. |
| Rocks & Minerals, Dec 1989 |
| Zodac, Peter (1948), Diamond Ledge, West Stafford, Conn. Rocks & Minerals: 23: 611. |
| Rocks & Min.: (1984):161. Manchester (1919) |
| Mins. of NYC & Its Environs, Vol. 3, NY Min. Club (1931), Manchester. |
| Rocks & Min.:8:61-65. |
| Rocks & Min.:10:91. |
| 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 |
| 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 |
| 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 |
| 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 |
Central Avenue Quarry, The Bronx, New York City, New York, USA