Moonstone is used as a birthstone for the month of June. According to Hindu legend, moonstone was formed from moonbeams. It was once believed if you hold one in your mouth during a full moon you can see your future. In India, moonstone is known as a sacred stone and is believed to bring good fortune. It is a highly prized gift for lovers as it arouses tender passion.
The gemstone comes in colorless, white, yellow, orange, and gray. It always has a white or blue sheen. That is, moonstone reflects light in a distinctive shimmering phenomenon known as adularescence. Moonstone has a hardness of 6 and can be easily scratched.
Moonstone is found in Brazil, European Alps, India, Madagascar, Mexico, Myanmar, Sri Lanka, Tanzania, and USA (Pennsylvania and Virginia). Sri Lanka has the highest quality moonstones.