Orthoclase from selected localities.
USA | |
| Michael W. Kieron coll. |
AmMin 22:279 | |
| Michael W. Kieron collection |
Miller, C. E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston | |
George, Gilbert (1969). Latest Finds at Roadcuts in RI (Micromounters of New England Newsletter, Dec. 1969). |