|
USA | |
|
| AmMin:9(1924):1-5.
Rocks & Min.:11:216
21:280-281 |
- Bergen County & Hudson County
| James G. Manchester (1919) The Minerals of the Bergen Archways, American Mineralogist, 4: 107-116 |
|
| Jour. Petrology:10(2):212 (1969). |
|
| Ritter and Ritter 1956 |
|
| Baskin, Plotkin, Geiges, Stanchich collections |
|
| Found 11/2009 by David S. Bernstein |
|
| 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.: 23:914-915.
Rocks & Min.: 21:142-143. |
|
| Slotto, R.A. (2016) The Mines and Minerals of Berks County, Pennsylvania. p. 296 |
|
| Mineral collecting in Pennsylvania, 1965 - Lapham & Geyer, pg. 130 |
|
| visual observation - needs confirmation (JGW - 2008) |
|
| Mineralogical Record, 25(2),pp:105-120. |
|
| American Mineralogist (1925): 10: 77 |
|
| Gordon, "Mineralogy of Pennsylvania" 1922 p. 193. |
|
| Rocks & Min.:59:109-120. |
|
| MRH collection, ref J. A. Dauge |
|
| Rocks & Min.: 16:136-137
17:341
22: 803-804. |
|
| Ref.: Gordon, S.G. (1922) "The Mineralogy of Pennsylvania," Special Publication No. 1, The Academy of Natural Sciences of Philadelphia: p. 125. |
|
| Gordon, 1922. The Mineralogy of Pennsylvania |
Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery County, Pennsylvania, USA