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USA | |
| 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 |
| Mineralogical Record (1990) 21:203-213 Jensen(1978). Rocks & Min.:62:80 Rocks & Minerals 82:472-483 |
| David Jansen (1978): Minerals of New York State. p145 |
| Personally observed by Hershel Friedman, 2009 |
- Toothaker Creek State Forest
| Chamberlain, S.C., Lupulescu, M.V., Bailey, D.G. (2019) Mineralogy of Chub Lake-Type Hematite Deposits in St. Lawrence County, NY. Minerals, 9(9), 567. |
| Chamberlain, S.C., Lupulescu, M., Bailey, D.G., Carlin, D.M. (2010) Classic danburite locality near Russell, St. Lawrence Co., NY: New collecting and new research. The 37th Rochester Mineralogical Symposium, April 15-18, 2010 |
| 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 |
Wesley Hills, Town of Ramapo, Rockland County, New York, USA