Natural Aqua Blue Green Chalcedony Faceted Gemstone Necklace. 48 gemstones. This is a great dainty and feminine necklace - fabulous sparkle. The gems are 8mm in size. The necklace length is 24". The chain and clasp are sterling silver or 14k gold filled with 14k gold plate chain - you choose. AAA micro faceting on these stones, lots of sparkle. Shipping is Free!