|
USA | |
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
| A Quest for New Jersey Minerals, Robert Speiser(1978):13. |
| 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 |
| A Quest for New Jersey Minerals, Robert Speiser(1978). |
| Rocks & Min.: 16: 402-403. |
| A Quest for New Jersey Minerals, Robert Speiser(1978):8. |
| The Minerals of NYC & Its Environs, NY Min. Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 64. |
| Mins. of NYC & Environs, NY Min. Club (1931), Manchester Rocks & Min.: 19:306-309. |
| Specimens collected by and in the collection of Andrew Kruegel |
| 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 |
| Rocks & Min.: 24:27-29. |
| |
| Ransom, Jay Ellis (1974) Gems and Minerals of America pg.424 |
| 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 |