Quartz (variety agate and amethyst) - Karrenberg Quarry, Germany - Specimen size ~ 15 cm
Mineral: Quartz (variety agate and amethyst)
Locality: Karrenberg Quarry, Reichweiler, Kusel, Altenglan, Rhineland-Palatinate/Rheinland-Pfalz, Germany
Dimensions: Specimen size ~ 15 cm

Description: Collection Terra Mineralia, Freiberg (my photo)