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USA | |
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| Cursory examination by Michael W. Kieron |
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| Gilbert George |
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| Gilbert George |
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| Ralph Carr |
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| Ralph Carr |
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| Donald Morrison |
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| Michael W. Kieron collection |
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| Museum of Natural History, Roger Williams Park M6550 11280 |
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| Gilbert George |
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| George, Gilbert (1972). Latest Finds at Rhode Island Road Cuts(Micromounters of New England no. 17, Feb. 1972). |
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| Rocks & Minerals (1986): 61: 286-289 |
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| Kieron, Michael W. (2003), personal communication to Mindat.org. |
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| Kieron, Michael W. (2003), personal communication to Mindat.org. |
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| Michael Kieron collection |
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| Michael W. Kieron collection |
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| American Mineralogist (1927): 12: 427-436 |
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| [var. Amazonite] Michael W. Kieron coll. |
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| Miller. C. E. (1971) Rhode Island Minerals and Their Locations, University of Rhode Island, Kingston |
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| [var. Amazonite] Museum of Natural History, Roger Williams Park, Providence, RI (unaccessioned lot) |
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| Museum of Natural History, Roger Williams Park, Providence, RI G4040 6249 |
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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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| Dale, T. N. (1908). The Chief Commercial Granites of Massachusetts, New Hampshire, and Rhode Island (USGS Bulletin 354.) |
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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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| Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
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Westerly, Washington County, Rhode Island, USA