Quartz (variety smoky) - Cavradi, Curnera Valley, Switzerland - fov 80 mm
Mineral: Quartz (variety smoky)
Locality: Cavradi, Curnera Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; GraubŁnden), Switzerland
Dimensions: fov 80 mm