Moonstone is a semi-precious gemstone also known as June birthstone. Hardness of moonstone is 6 on Mohs scale. It is known as moonstone because it looks like the moon and it contains the power of the moon. It is good for peace and stability of mind. It is associated with the planet moon, the main benefits of wearing moonstone is as it makes the wearer calm and gives stability to their mind. Moonstone is connected with the heart and sacral chakra of the body which is good for health. On the other hand, wearing moonstone can be good for resolving relationship problems.