Ferro-hornblende from Vernon Township, Sussex County, New Jersey, USA
USA | |
| NJ State Geol. Ann. Rpt. (1856):163. |
| The Iron Mines of NJ (1910), Bayley:310-311. |
USA | |
| NJ State Geol. Ann. Rpt. (1856):163. |
| The Iron Mines of NJ (1910), Bayley:310-311. |