Bronze Ivory Coast Protection Spiral Shield Cowrie Shell Crescent Moon Carnelian & Black Agate. A stabilising stone, Carnelian restores vitality and motivation, and stimulates creativity. It gives courage, promotes positive life choices, dispels apathy and motivates for success. Carnelian is useful for overcoming abuse of any kind. Black 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.