MF16AJ3: Hübnerite crystals on matrix with different characteristics from those of other well-known localities, forming radial aggregates with a flattened, almost laminar, shape. Very bright with a red color with bronze shades, very typical of the locality of origin. An excellent US classic.
Adams Mine, Cement Creek, Silverton, Eureka District, San Juan County, Colorado  USA

Specimen size: 13.2 × 11 × 6 cm = 5.20” × 4.33” × 2.36”

Main crystal size: 3.5 × 1 cm = 1.38” × 0.39”