Muscovite from 50 Let Oktyabrya mine, Khromtau District, Aktobe Region, Kazakhstan
Kazakhstan | |
| [var. Sericite] www.portergeo.com.au (2007) http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn1019 |
Kazakhstan | |
| [var. Sericite] www.portergeo.com.au (2007) http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn1019 |