Black Pyrite and Quartz Cluster – Fengjiashan Mine, China (301g)Overview This museum quality black pyrite and quartz cluster comes from the prolific Fengjiashan Mine in Daye County, Hubei Province, China one of the most significant polymetallic skarn deposits in the world. Measuring 5 x 3 x 2. 5 inches and weighing 301 grams, this specimen features sharp, lustrous pyrite crystals rising from a base encrusted with dazzling quartz points. The interplay of dark metallic surfaces with translucent quartz provides both