cementation zone Barranca de Cobre, Chihuahua, Mexico Anilite, Bornite, Chalcocite, Chalcopyrite, Digenite...hydrothermal La Leonora Mine, Jalpa, Zacatecas, Mexico Acanthite, Chalcopyrite, Covellite, Galena, Mckinstryite...Mine, Teloloapan, Mun. de Teloloapan, Guerrero, Mexico (sample: Hanel/ Altherr); PPL B Metacinnabar (lamellar...del Oro, Mun. de Concepción del Oro, Zacatecas, Mexico (sample: Melcher/ Oberthür); PPL B Euhedral freibergite...Coahuila meteorite, Bolsom de Mapimí, Coahuila, Mexico Alabandite, Graphite, Kamacite, Orthoenstatite |