Onyx earrings. Black onyx is a stone of protection, it protects from the evil eye, it repels the presence of spirits who would try to influence you, it is very useful for mediums. It promotes a sense of responsibility and helps to maintain self-control by being more composed. Dimensions: 7 centimeters in length (with the hook) Materials used: the ear hooks are made of stainless steel, the other metal parts are made of zinc alloy, onyx (each natural stone being unique, they cannot be identical to