Quartz from selected localities.
Austria | |
| |
| [var: Rock Crystal] Indra, G |
| P. Pavlicek, O. Cichocki: Carinthia II 188./108.:411-422 (1998) |
Italy | |
| Giorgio Bortolozzi visual identification |
| Giorgio Bortolozzi visual identification and microchemical test |
Unterbuchach Alp, Kirchbach, Hermagor District, Carinthia, Austria