Biotite from Passaic County, New Jersey, USA
USA | |
| Rutgers Univ. Bull. #5, Pt1:31-32. |
| Volkert, Richard A., 2009, Kornerupine: A Rare and Unusual Mineral in the New Jersey Highlands, The Picking Table, v. 50 (1): 20-21. |
NJ State Geol. Ann. Rpt. (1886):107-108. |