Sulemana Haki Ring Original Natural Black Haqq Precious Gemstone Hakeem Astrological Silver Plated Adjustable Ring Haki Stone Natural Shining Certified Black Onyx Gemstone Onyx Is The Birthstone For Leos Onyx Is A Variety Of The Microcrystalline Quartz, Called Chalcedony. The Name "Chalcedony" Comes From Calcedony Or Calcedony, An Ancient Port On The Sea Of Marmara In Asia Minor. Black Onyx Meaning Is Self-Control, Decision Making, Intuition, Protection