Muscovite from selected localities.
Switzerland | |
| Zen, E.-A., Ross, M., Bearth, P. (1964): Paragonite from Täsch Valley near Zermatt, Switzerland. American Mineralogist 49, 183-190. |
| [var: Phengite] Scherrer, N. C., Gnos, E., & Chopin, C. (2001) A retrograde monazite-forming reaction in bearthite-bearing high-pressure rocks. Schweizerische Mineralogische und Petrographische Mitteilungen, 81(3), 369-378. |