Quartz (var. amethyst) - Ashio Mine, Japan - 5.2 x 2.8 x 5.1 cm
Mineral: Quartz (var. amethyst)
Locality: Ashio Mine, Namarisawa, Nikko City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Dimensions: 5.2 x 2.8 x 5.1 cm