|
USA | |
|
| King & Foord, 1994. Mineralogy of Maine, V. 1., pp. 65-66. |
|
| Gleba, 1978. Massachusetts Mineral & Fossil Localities |
|
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 83. |
|
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
|
| Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
|
| Michael W. Kieron collection |
|
| No reference listed |
|
| Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston |
|
| No reference listed |
|
| Rocks & Min. Vol. 71, (1996) |