Boulangerite from Binn Valley, Valais, Switzerland
Switzerland | |
| Gabriel, W. (2017): Boulangerit - ein Neufund aus der Dolomit-Zone Lengenbach/Binntal VS. Schweizer Strahler 51(3), 20-21 (in German and French). |
| |
| Most recent: Gea 1993/04 p.137 with most literature references |
Turtschi, Giessen, Binn, Goms, Valais, Switzerland