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USA | |
- Manhattan (New York County)
- 34th Street between 7th and 8th Avenues
| Kelly Nash. |
| 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 |
| Ex. Excallibur Minerals. Current Jaimy Henman Collection |
| 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 |
| Betts, John (1998) Manhattan Mineral Collecting, Mineral News, v. 14 (1) 1, 6-8. |
| Kunz, George F (1888b) Minerals From Fort George, New York City Transactions of the New York Academy of Sciences Vol. 7, 1888 (p49) Collection of Mr. A. Bernotas, Georgian Court University, Cabinet Specimen #339 |
| Hovey, E.O. (1896) The Mineral Collector, Vol. 2, No. 11, pg. 175-176 |
35th Street & Broadway, Manhattan, New York City, New York, USA