Yes The unclear dzi beads should be wiped with clean cotton cloth for one week, and then left for another week to form an oxide protective layer on the surface of dzi beads. Wash your hands before playing, and play the details for half an hour every day. Repeat this process to play it out. Divine beads are mysterious antique jewels in Himalayan countries. Beads appear on agate-like minerals in the form of black and white totems.