Bournonite on Siderite

Horhausen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany

Specimen size: 3.6 × 3.2 × 1.5 cm = 1.42” × 1.26” × 0.59”
Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”