Natural Opal Silver Ring size 9 / Opal Freeform Ring / Natural Blue, Green, Red Opal Silver Ring / Ethiopian Opal Wave / 925 Sterling Silver 925 Sterling Silver Natural Ethiopian Opal (green, blue, red fire), Beautiful freeform organic natural opal, you can see the different fire color depending on the light & angle. Simple & beautiful, great gift. Natural Opal Silver Ring Size 9/Freeform Blue, Green, Red Ethiopian Wave 925 Sterling