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USA | |
| Robinson (1825) |
| Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. NJ State Geol. Ann. Rpt(1900):186. |
| Rocks & Min.:8:61-65. |
| (Dana, 1874) (Januzzi, 1966, 1989) (Manchester, 1931) (Trainer, 1938) (Whitlock, 1903). |
| 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 |
Tilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA