Quartz, Siderite - Büchenberg Mine, Germany - Specimen height 5 cm, the three main quartzes measure 10, 13 and 16 mm

Mineral: Quartz, Siderite
Locality: Büchenberg Mine, Elbingerode, Oberharz am Brocken, Harz, Saxony-Anhalt/Sachsen-Anhalt, Germany
Dimensions: Specimen height 5 cm, the three main quartzes measure 10, 13 and 16 mm