Jewelry Design Mutualistic Symbiosis Jwellery by Taylor Chyn The 18k gold in Mutualistic Symbiosis retains its natural texture without additional surface treatment, contrasting with the polished finish of the protruding elements and the smooth inner ring. The 925 silver section undergoes a burnishing process, involving acid washing, calcination, and specialized treatment, enhancing the metal’s natural luster while preserving its distinctive character.