Quartz

Oberalpstock Mountain, Strem Valley, Municipality of Tujetsch (Tavetsch), Surselva District, Grischun (Grisons; Graubünden)  Switzerland (±1946)

Specimen size: 5.4 × 3.8 × 3 cm = 2.13” × 1.50” × 1.18”
Main crystal size: 4.2 × 2.4 cm = 1.65” × 0.94”