- Acanthite, Polybasite, Chalcopyrite
- Small Cabinet, 6.0 x 3.3 x 2.5 cm
- San Juan de Rayas Mine (Rayas Mine; Reyes Mine), Guanajuato, Mun. de Guanajuato, Guanajuato, Mexico
A superb and rich silver ore combination specimen from the famous Rayas Mine at Guanajuato, Mexico. Sparkly, golden-yellow bright chalcopyrite microcrystals cover matrix of essentially solid, bladed polybasite and blocky acanthite crystals. A couple of quartz rosettes are a nice accent to the gray and gold sulfides. Ex. Dave Stoudt Collection.