or take it to a jeweller for a small fee put it in an ultrasonic bath that will clean it to perfection it uses sound waves to dislodge years of grime ,I have one myself ,you can buy one for about £30.00
Mild detergent water and an old soft toothbrush.
I can answer this question...
What's the best way to clean a turquoise ring?
Please wait ...
howtomendit.com for free repair help, information and advice.