Manganese Dendrites from New Hampshire, USA
USA | |
| P. Cristofono collection, 2012 |
| P. Cristofono collection |
| P Cristofono collection |
| P. Cristofono collection |
| P. Cristofono collection, 2013 |
| P. Cristofono collection |
P Cristofono collection, 2007 | |
| P Cristofono collection, 2010 |
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA