Limonite from Delaware County, Pennsylvania, USA
USA | |
| Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 188 |
| Ref.) The Minerology of Pennsyvania Samuel S. Gordon - 1922 Pg. 197-198 |
| Jeff Beckert Collection |
USA | |
| Mineralogy of Pennsylvania-1922 Samuel S. Gordon, pg. 188 |
| Ref.) The Minerology of Pennsyvania Samuel S. Gordon - 1922 Pg. 197-198 |
| Jeff Beckert Collection |