Quartz from Grand Langenberg, Sewen, Thann-Guebwiller, Haut-Rhin, Grand Est, France
France | |
| Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 |
France | |
| Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 |