Mineral: Pyrrhotite
Locality: Potosí Mine, level 10, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico
Dimensions: 4 x 5 x 8 cm

Description: Fine example of flat platy pyrrhotite from the 10th Level Main Silicate Orebody, Potosi Mine. Peter Megaw photo and specimen

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