20mm Black Agate Gemstone BraceletBlack Agate, like all black stones, is a grounding and protective crystal. It gives a calming peace that helps those during a period of bereavement. Black Agate gives inner strength to move on and is also very helpful in keeping the peace in stressful households. This calming stone will keep one steady when faced with practical decision making or when doling out tough love. Physically, Black Agate alleviates problems of the bones and joints, mobility