Dims:0.7x0.3x0.2" (1.8x0.8x0.5 cm)
Wt: 0.1oz. (3g)
Excelsior Mine, Cerro de Pasco, Peru
The surface of this micro-sized specimen is covered with tiny, lead-gray crystals of gratonite. These crystals are undamaged, and, with a loupe, one can observe the hexagonal form of these crystals. One of the larger crystals seems to be in the form of a scalenohedron. Greater magnification is needed for verication of this. Gratonite is named for the American geologist, Louis Graton.