Biotite from Hüttenberger Erzberg, Hüttenberg, Sankt Veit an der Glan District, Carinthia, Austria
Austria | |
| H. Meixner: Carinthia II 157./77.:88-89 (1967) |
| I. Praetzel: Der Karinthin 93:293-301 (1985) |
Austria | |
| H. Meixner: Carinthia II 157./77.:88-89 (1967) |
| I. Praetzel: Der Karinthin 93:293-301 (1985) |