Orthoclase from New York City, New York, USA
USA | |
| Kunz, George F (1888b) Minerals From Fort George, New York City Transactions of the New York Academy of Sciences Vol. 7, 1888 (p49) |
Hovey, E.O. (1896) The Mineral Collector, Vol. 2, No. 11, pg. 175-176 |
New York City, New York, USA