Microcline from Warren County, New York, USA
USA | |
| New York State Museum Bull. 223,224, Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 153. |
Jensen (1978) Minerals of New York State: 121. | |
| New York State Museum Bulletin No. 199, Alling, Harold L. (July, 1917), The Adirondack Graphite Deposits: 57. |
| Larsen, E.S. & Schaller, W.T. (1932) American Mineralogist, 17, #10, 457-465. |