Mineral: Pyrrhotite
Locality: Potosí Mine, level 10, Santo Domingo (Francisco Portillo), Santa Eulalia District, Municipio Aquiles Serdán, Chihuahua, Mexico
Dimensions: 8 x 12 cm
Description: Fine example of stout elongate pyrrhotite from the 10th Level Main Silicate Orebody, Potosi Mine. ex Miguel Romero
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