Group of very sharp doubly terminated quartz crystals, one of them predominant, formed by subparallel growths, with a delicate classic rotation on the perpendicular axis to quartz prism axis. We are referring to “gwindels”. Good size and brilliance, peppered by several chlorite minute crystals those confers this green color. From an Alpine classic locality. THE MAIN CRYSTAL IS: 5.8 x 5.2 x 3 cm.