9TC36G3: Typical group of tabular crystals, bright and with the side edges very well shaped. The group stands on Quartz (smoky variety). More aerial than usual. From a classic locality, where alpine fractures cut Carboniferous-Permian age rocks.
Cavradi gorge (Val Cavradi), Municipality of Tujetsch (Tavetsch), Surselva District, Grischun (Grisons; Graubünden) Switzerland