oche Buena Mine, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico
Ex. A. Neely, 1960s
A mass of thin, wire like crystals of grey coloted Boulangerite crystals intermixed with small Pyrite crystals. In the past, similar specimens were misidentified as Jamesonite.
Flaws: There is some deterioration present in the matrix of the specimen.