occurs both naturally and man made.  The natural carved crystal is recognized with the existence of a carved triangular face - the carving outlines the face and is etched, the engraved portion is normally a dull shade of the color of the crystal. These crystals tend to provide the peeling effect to uncover that which is hidden.  The man made carved crystals bring energy of the carving to the user and act to assist one in connections with the subject.