Moonstone is a crystal associated with inner peace, intuition, passion, balance, protection and balance. It is associated with yin or feminine energy with the association of the moon, and is further harmonizing when in combination with sunstone which represents masculine yang energy. It is used as a traveler's amulet. It is also associated with positive new beginnings and fresh starts, so it is a great gift for newly weds, or at times one is looking for a fresh start, particularly in their romantic lives.
Peach and black moonstone often have a combination of both the blue flash of moonstone and the golden flash of sunstone.