|
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 |
| 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 |
| (Mid-Hudson Valley Gem & Mineral Society field trips, March 2006) |
| Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p223-224 |
| (Bridenbaugh, 1873) (Dana, 1874) (Januzzi, 1966, 1989) (Manchester, 1931) (Trainer, 1938) (Whitlock, 1903). |