|
USA | |
- Centerville (Centreville)
| Dana 6: 1070. |
|
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland, 27p. |
|
| Pearre, N. & A. V. Heyl (1960) Mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware: U. S. Geological Survey: Bulletin 1082K: 707-833. |
|
| Rocks & Min.:12:247. |
|
| Pearre, N. & A. V. Heyl (1960) Mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware: U. S. Geological Survey: Bulletin 1082K: 707-833. |
|
| Rocks & Min.:11:111
19:148. |
|
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p. |
|
| Rocks & Min.: 20:473. |
|
| Stuart Herring Collection |
|
| Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p. |
|
| Parker, Fred J. (2005) The minerals of the Hunting Hill quarry, Rockville, Maryland. The Mineralogical Record, 36 (5) 435-446 |
- Staten Island (Richmond County)
| Observed by David S. Bernstein- February of 2012 |
|
| Collected by Steve Okulewicz |
|
| Wilson, W.F., McKenzie, B.J. (1978) Mineral Collecting Sites in North Carolina. Information Circular 24. North Carolina Division of Mineral Resources |
|
| Ref.: Dana 6:499, 560 & 1077. |
|
| Mineralogy of Pennsylvania-1922
Samual S. Gordon, pg. 173 |
|
| Dana 6: 1067. |
|
| Mineralogy of Pennsylvania-1922
Samuel Gordon, pgs 123-124 |
|
| Gordon's Mineralogy of Pennsylvania (1922) p. 191 |
|
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
American Mineralogist 1965: 50: 1708-1716. |
|
| Personally Collected 4/12/2008, Mark J. Sigouin, Pennsylvania Licenced Professional Geologist |
|
| Mineralogy of Pennsylvania-1922
Samuel S. Gordon, pg. 206 |
|
| Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania |
|
| Mineralogy of Pennsylvania-1922
Samuel S. Gordon, pg. 221-222 |
Cedar Hill Quarry, Fulton Township, Lancaster County, Pennsylvania, USA