Bright metallic grey crystals of Bournonite richly invest areas to 2.2cm on the display face of this specimen. The specimen comes from the ancient mining area of Pribram, Czech Republic. Such well formed crystals of Bournonite are not often offered for sale from this location. The well formed tabular Bournonite crystals measuring to 1.2cm display some repeat twinning. The Bournonite crystals are associated with a light tan druse of Siderite. A later phase of micro Quartz crystals, and scattered crystals of Sphalerite are also formed on the Siderite. A great cobination specimen of Bournonite from the location. The specimen comes with an old label.