Magic of Moldavite Rings: A Gift from Meteorite, and An Obsession in Jewelry moldavite ring is by using a soft brush, mild soap, and lukewarm water. Carefully clean your ring with the brush by taking mild soap and lukewarm water, and then post-cleaning, dry it with a microfiber cloth. Make sure not to use ultrasonic or steam cleaners, harsh chemicals, or heat to clean the ring – all these can cause permanent damage to the ring.