Shy Moon Handmade Gold Accent and Sterling Silver Dangle EarringsWorking in silver with accents bathed in 18k gold, Diah Arini evokes the shy moon with the symbol for yin and yang. First mentioned in the fourth century B. C., they embody the two complementary forces, or principles, that make up all aspects and phenomena of life. Yin is earth, female, passive and absorbing, while yang is heaven, male, light and active. . 925 Sterling silver materials: 18k gold plated sterling silver Hook earrings Combination finish