Geniune raw Ethiopian opal set in solid pure copper
The opal is beautiful displaying so many colours
Inside diameter is 19mm. Ring size chart on last photo.
Copper is known to be medicinal mineral often used to ease arthritis. if you get green fingers this this is harmless and can be a sign that your acidic levels in your body is out of balance. That a why it happens to some people and not others. You can coat the inside of the ring with clear nail polish if you find this to be a problem.