Amethyst (purple variety of quartz) Crystal cluster - 11×10×6 cm - 422 g - (1) Mangatoboangy, Madagascar More
Amethyst (purple variety of quartz) Crystals on matrix - 6×5×4 cm - 90 g - (1) Madaganskaya oblast, Russia More
Tourmaline (group of silicate minerals) Crystals on matrix - 13.5×12×11 cm - 1834 g - (1) Antetezantsio, Madagascar More