This is a glimmering, polished sphere of Aventurine (Green Quartz). The shimmering effect displayed by this sphere is due to mineral inclusions within the quartz. Comes with a display stand.
Aventurine is a form of Quartz characterized by bright inclusions of Mica or other minerals that give a shimmering or glistening effect. It is typically green in coloration but it may also be orange, brown, yellow, blue, or gray.