Dolomite with Chalcopyrite and Quartz

Eupel Mine, Niederhövels, Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany

Specimen size: 16.8 × 10.5 × 6.5 cm = 6.6” × 4.1” × 2.6”
Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”