Get Black Agate Palm Stone at Faiz Gems from India. 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. Palm stones are polished oval stones that can be used for crystal healing, meditation and many other esoteric healing practices. The reason that palm stones are called `palm stones` is very simple: they fit perfectly into the palm of your hand. Order online for Black Agate Palm Stone now.