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| Kieron, Michael W. (2003), personal communication to Mindat.org. |
| Michael W. Kieron coll. |
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| Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
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| Nye jr., Osborne B. and Facio, Rosario(1978) Building Stones Used in the Vicinity of Syracuse, New York State Geological Association, p. 344-350. Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
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