Skeletal quartz, white, 12x6.5 cm
Mutt Glacier, Valais, Switzerland
Phantom quartz, doubly terminated, 12x8 cm
Piz Regina, Grisons, Switzerland
Quartz cluster (Tessin Habit), 90x50 mm
Turbenalp, Binntal, Wallis, Switzerland
Quartz crystal, doubly terminated, 8x4 cm
Leiterberg, Elm, Glarus, Switzerland
Smoky quartz (Tessin Habit) with muscovite
Val Bedretto, Tessin, Switzerland
Smoky quartz with gwindel
Caschle, Val Strem, Graubuenden, Switzerland