Muscovite from Obichnik, Momchilgrad Municipality, Kardzhali Province, Bulgaria
Bulgaria | |
| [var. Sericite] Kunov, A. & Mandova, E. (1997): Supergene minerals of the Obichnik Au-Ag deposit (Eastern Rhodopes). Spisanie na Bulgarskoto Geologichesko Druzhestvo 58, 19-24. (in Bulgarian) |