Ionic Cleaning Machine This improved performance ionic cleaner gives a whole new level of cleaning. Because the ionic system does not vibrate in any way, it is safe for softer stones including turquoise, opals, emeralds, and pearls. Removes oxidation and cleans gold or platinum in seconds without leaving residue to tarnish. Not recommended for use with silver. Includes 16 oz of super concentrate IonShine solution. ...MORE