Measuring 1 1/2 inches in length. This is a beautiful moonstone. It has an irridescent mystic area of clouded area. It makes it look like the moon. This stone is beautiful because it is a most unusual pink color and around the more irridescent area it is light violet blue. The stone is set in pure .925 sterling silver. The chain is a 1mm 24 inch sterling silver chain with a 1 inch extention chain attached.