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USA | |
| 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. |
| New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 126, 129. |
| New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 126, 129. |
| New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 126. |
| Rocks & Minerals 82:472-483 |
| New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 129. |
| Child, 1890. Gazetteer of Jefferson County, N. Y |
Sterling Mine, Antwerp, Jefferson County, New York, USA