A selection of minerals from Switzerland, pennine crystals from the Rimpfischwänge of Zermatt, or thuringite (chamosite) from Chamoson (Valais), siderite from the Furka tunnel, sphalerite or anhydrite and hematite or pyrrhotite from the Gotthard tunnel (Uri), hatchite and wallisite from Legenbach (Binntal), gold from Taminser (Calanda, Graubunden), gypsum from Bex (canton of Vaud), and other mineral species