K Feldspar from Lewis County, New York, USA
USA | |
| American Mineralogist, Volume 68, pages 444-448 1963 |
| American Mineralogist, Volume 68, pages 444-448 1963 |
USA | |
| American Mineralogist, Volume 68, pages 444-448 1963 |
| American Mineralogist, Volume 68, pages 444-448 1963 |