K Feldspar from
Canada | |
| [var. Adularia] Williams-Jones, A.E., Norman, C. (1997) Controls of mineral parageneses in the system Fe-Sb-S-O. Economic Geology: 92: 308-324. |
| Trzcienski, W E, Jr (1987) Studies in the Sterrett mine area, Eastern Townships, Quebec. Geological Survey of Canada, Open File 2015 |
| [var. Adularia] In personal collection - Bill Morgenstern |
| [var. Adularia] Bill Morgenstern personally collected | |
| [var. Adularia] Horvath collection visual id. |
Ayer's Cliff Quarry, Ayer's Cliff area, Sainte-Catherine-de-Hatley, Memphrémagog RCM, Estrie, Québec, Canada