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USA | |
| "Western Massachusetts Mineral Localities" by Plante, A.R., Valley Geology Press, 1992 |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. Rocks & Min.: 15:205 16:56. |
| |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| Plante, Alan (1992): Western Massachusetts Mineral Localities (Valley Geology Press) |
| |
| U.S. GEOLOGICAL SURVEY Open-File Report 79-354 |
| "Western Massachuetts Mineral Localites" by Plante, A.R., Valley Geology Press, 1992 |
| Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
| P Cristofono collection |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
| P Cristofono collection |
| Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc. |
Aggregate Industries Quarry, Wrentham, Norfolk County, Massachusetts, USA