Chalcedony from New Hampshire, USA
USA | |
| P Cristofono collection |
| P. Cristofono collection, 2014 |
| [var. Buhrstone] Meyers, T.R., Stewart, G.W. (1956) The Geology of New Hampshire - Part III: Minerals and Mines. New Hampshire Department of Resources and Economic Development. |
| T. Mortimer, Nashua Min. Soc. Display Cat., 1995 |
| P. Cristofono collection, 2015 |
| Peter Cristofono collection, 2015 |
| Don Swenson collection |
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261 | |
| Robert Whitmore collection |
Joppa Hill, Amherst, Hillsborough County, New Hampshire, USA