Black good natural rough crystal quartz 1.CE&Experience Qc team 2.Best quality ... Product nameChinese black quartzMaterial Mixed marble or other kinds of natural stone with resin, shell chips and glass piecesAvailable FinishPolished , ... Honed,Flamed,Bush Hammered,Rough Picked,Chiseled,Leather Finished,Antique Finished,Sandblasted, Acid treatment etc ...