mines, Castrovirreyna district, Castrovirreyna Province, Huancavelica Department, have occasionally produced...Szenics 1997). The Pachapaqui district, Bolognesi Province, Ancash Department, has produced some very fine...Mercedes mine, Huallanca district, Dos de Mayo Province, Huanuco Department, to 7 cm on edge (Crowley...Also, from the Pasto Bueno district, Pallasca Province, Ancash Department, it is associated with hübnerite...from the Quiruvilca district, Santiago de Chuco Province, La Libertad Department. Across the border from |