Details: This beautiful purple color ring stone when touches the skin upon wearing gives a soothing effect and sharpens the mind strength thus increases memory and concentration. This amazing stone also helps students and professionals who in today’s world work under great stress as it reduces mental stress, which eventually relaxes the mind giving more ability to concentrate.These are not Gems therefore, size does not matter. These crystals are natural and shape only had been given. They really work if one keep positive attitude. Our skin is soluble and it absorbs minerals from the crystals. The combinations of these minerals react with body and help in curing disease. These crystals are natural and shape only had been given. These have no side effects as nothing is intake and apart from this couple of members suffering from the same disease can also use.