MániA moonstone pendant on a fine chain. Mni takes its name from the Norse god of the moon a quietly luminous piece that catches light the way moonstone always does. 925 sterling silver: Naturally beautiful, develops a gentle patina over time. 3 micron gold plated silver: A thicker gold layer than standard plating warm, polished finish with better durability. Moonstone: Sourced from India. Known for its soft inner glow and blue white sheen.