Mineral: Bournonite, Pyrite, Calcite, Siderite
Locality: Brosso Mine, Cálea, Léssolo, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte), Italy
Dimensions: 62 x 49 mm

Description: Nice paragenesis for this scarce mineral. This crystal, which measures 10,6 mm, is among largest and sharpest ever came out from the mine.

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