This necklace is made with a rainbow moonstone tower wrapped in a copper wire cage and a copper ball chain necklace that and measures 20 inches in length. The copper balls measure 9mm and are larger in size. 
Rainbow moonstones are known as a sacred stone that provides psychic protection to shield people from negative emotions, giving a sense of peace, mental clarity, and emotional balance.
Copper Healing Properties: 
As a conductor of energy, when used with earthly crystals it intensifies, enhances and channels their properties. Copper is thought to assist the body with repairing tissues, oxygenating the blood, easing arthritis, strengthening the female reproductive system and increasing vitality.