To provide an accessory ball, although it is known that a rock salt ball is worked from rock salt and used as an accessory, because this rock salt ball is melted and has its diameter gradually reduced by the sweat of a human body if it touches a human body directly, the salt ball has to be finally replaced by new one.

An accessory ball of the invention is characterized by comprising a volcanic rock formed into a spheroid of a predetermined diameter, and by press-fitting the powder of natural salt into a multiplicity of recesses existing in the volcanic rock.