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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 |
| 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 |
| Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey, Mineralogical Record: 31(5):410. Mineralogical Record (1990) 21:203-213 |
| Rocks & Minerals (1955) 30:502 Cummings, W. L., 2008, Personal communication |
| Sassen, Roger (1978) Natrolite and Associated Secondary Minerals at the Chimney Rock Quarry, Bound Brook, New Jersey. The Mineralogical Record, 9 (1) 25-31 |
| 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 |
Millington Quarry, Bernards Township, Somerset County, New Jersey, USA