Tourmalinated Quartz is clear or opaque rock crystal (crystal quartz) which has grown together with black tourmaline, and shows strands of the tourmaline running through the quartz, hence "tourmalinated." The earliest use of tourmalinated quartz was for tools made by hominds in Ethiopia over 2 million years ago. These crystals all stand up to 3" tall. You will receive one of these 6 points. this is a CurioGrove best of lot pick.