Lustrous, dark blood-red galkhaite cubes to 2 mm on a nicely contrasting gray, drusy quartz-covered matrix from the famous Getchell Mine of Nevada. Galkhaite is a very rare cesium, thallium, mercury sulfide. Ex Fred Pough Collection, who self-collected this piece in 1990 at 84 years old! 5.8 x 3.0 x 2.4 cm