Feldspar Group from selected localities.
USA | |
| Collected/observed-David S. Bernstein-April of 2011. |
| David S. Bernstein-Nov. 09 |
NJ State Geol. Ann. Rpt. (1856):167. | |
| NJ State Geol. Ann. Rpt. (1856):169. |
| Observed, David S. Bernstein- January of 2012 |
| The Iron Mines of NJ (1910), Bayley:354. |
| NJ State Geol. Ann. Rpts.: (11856): 172; (1900): 177. |
| The Iron Mines of NJ (1910), Bayley:299; NJ State Geol. Ann. Rpt. (1856):174. |
The Iron Mines of NJ (1910), Bayley: 268. |