Soothing amethyst and sterling silver crescent moon ring. The moon represents the rhythm of time as it embodies the cycle. The phases of the moon symbolize immortality, eternity, enlightenment and the hidden side of Nature itself. - Amethyst is natures tranquilizer, calming and soothing, assisting in the transmission of neural signals through the brain. It relieves obsessive compulsive disorder and hyperactivity.