Moonstone represents a preferential channel of inner wisdom, and the good spirit of luck is dwelled within. Marcasite is a talisman associated with wisdom, courage and expression. Metaphysical properties of marcasite also suggest it is a stone that inspires creativity when it comes to the arts and architecture. Moonstone is for the month of June The Zodiac signs Aries and Leo are associated with the Marcasite stone. Members of the Air signs can also utilize this stone. The Leo is a fire sign that appears in summer when nature's energy is at its zenith. This ring would be perfect for those who are Geminis/ Cancers or fire signs. Size 7 ring, please see images for exact sizing. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Regarding the NF marking: The reason why such a large quantity of jewelry is seen marked NF is because Chapal-Zenray is a mass merchandiser in business since the 1980’s. https://www.chapal.com/ . “Chapal, Inc. was established in 1980 and is known as one of the leading manufacturers and suppliers of precious metal and gem stone jewelry in the world. Chapal is a strategic partner with many of the mass merchandisers in the U.S. Our services include product design and development, production, inventory management and distribution.”