Sterling silver moonstone 3 cluster necklace This necklace has rainbow moonstone. The rainbow moonstone is circle and teardrop shaped. The nine rainbow moonstone circles form three clusters linked by sterling silver bars. A rainbow moonstone teardrop hangs below one cluster. The necklace chain and clasp are sterling silver. The rainbow moonstone are set in sterling silver. This cluster necklace is 16" long. The rainbow moonstone clusters are 1/2" wide and the drop is a 1/2" long. Moonstone is a feldspar gemstone with a blue or white sheen. Moonstone is a birthstone for month of June and the zodiac sign of Cancer. Moonstone is said to bring good dreams to the wearer and has healing powers.