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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 |
| Larsen, Esper S., Bauer, Lawson H., Berman, Harry (1928) Norbergite from Franklin, New Jersey. American Mineralogist, 13. 349-353 |
| Betancourt, P.P. (The Picking Table, Vol. 27(2):2-10. |
| Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 3. The Franklin-Ogdensburg Mineralogical Society. Cook, David K. (1973) Recent Work on the Minerals of Franklin and Sterling Hill, New Jersey. The Mineralogical Record, 4 (2) 62-66 |
| Pete Dunn (1995) Franklin and Sterling Hill, New Jersey p.347 |
| Rocks & Min.: 21:416, 576-577. |
| A Quest for New Jersey Minerals, Robert Speiser (1978):9. |
| NJ State Bull. 56(1942), Van Voorhis, J.M. |
| The Iron Mines of NJ (1910), Bayley:205. |
| William Shirley Bayley (1941) Pre-Cambrian geology and mineral resources of the Delaware Water Gap and Easton quadrangles, New Jersey and Pennsylvania. USGS Bulletin 920 |
| 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 New York State Museum Bull. Nos. 249-250 (Sep-Oct 1921), Magnetic Iron Deposits of SE NY, Clarke, John M.: 109. |
| 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 |
| Robinson, George W., Chamberlain, Steven C. (2007) Gazetteer of Major New York State Mineral Localities. Rocks & Minerals, 82 (6) 472-483 doi:10.3200/rmin.82.6.474-483 |
| Robinson, George W., Chamberlain, Steven C. (2007) Gazetteer of Major New York State Mineral Localities. Rocks & Minerals, 82 (6) 472-483 doi:10.3200/rmin.82.6.474-483 |
| Glenn Rhein |
| Robinson, George W., Chamberlain, Steven C. (2007) Gazetteer of Major New York State Mineral Localities. Rocks & Minerals, 82 (6) 472-483 doi:10.3200/rmin.82.6.474-483 |
| 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 |
| King, Van (n.d.) Personal communcation. |
| King, Van (n.d.) Personal communcation. |
| Kearns (1977) |
| Robinson, George W., Chamberlain, Steven C. (2007) Gazetteer of Major New York State Mineral Localities. Rocks & Minerals, 82 (6) 472-483 doi:10.3200/rmin.82.6.474-483 |
| King, Van (n.d.) Personal communcation. |
| Rocks & Min.: 15: 162-164. Rocks & Minerals 82:472-483 |
| The Geology of Orange Co., Geol. Survey of NY, Reis, Heinrich (1895): 406. Rocks & Minerals 82:472-483 |
| 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 |
Amity, Town of Warwick, Orange County, New York, USA