This ia a very busy specimen, with intergrown crystals of light purple cubic fluorite, modified striated cubic pyrite, clear needle quartz, lustrous brown-black huebnerite, and tiny rhodochrosite rhombs pierced by quartz. From the "Sulphide Pocket" at the Sweet Home Mine, Alma, Park County, Colorado. Perfect condition. On massive sulfide matrix. Measures 2.75 x 2 x 2 inches (7 x 5 x 5 cm). Superb as a display specimen or under the loupe. Must be seen in person to fully appreciate.