Doubly terminated Quartz with chlorite and adularia

Sedrun, Municipality of Tujetsch (Tavetsch), Surselva District, Grischun (Grisons; Graubünden)  Switzerland (±1980)

Specimen size: 11.2 × 5.5 × 4.5 cm = 4.41” × 2.17” × 1.77”