Crescent Moon Amethyst Pendant 1" (Chain Not Included) This beautiful crescent moon shaped pendant is made with a natural amethyst gemstone that is approximately 1" in diameter. The gemstone is a purple color with a brilliant luster. The pendant hangs from a sterling silver bail. Amethyst is a type of quartz that is known for its calming and relaxing properties. It is said to promote spiritual awareness and enhance intuition. It is also said to be a stone of protection and healing.