Pyrrhotite from selected localities.
USA | |
| Dana 6:74. |
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81. | |
New York State Museum Bull. Nos. 249-250 (Sep-Oct 1921), Magnetic Iron Deposits of SE NY, Clarke, John M.: 108; Geol. Survey of the State | |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 67; Rocks & Min.: 20:469. |
Marian Lupulescu (2008) Rocks and Minerals, 83, #3. | |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 98. |