Green Onyx Earrings. Wire Wrapped copper Earrings. Green Onyx is an alternative birthstone for May. 8mm Green onyx bead wrapped in oxidised copper - these are nice and lightweight. Copper will continue to darken, but can polished to show the highlights. Picture shows oxidised copper. Green Onyx carries with it the primary properties of all forms of Onyx which are known for strength, willpower and discipline. The green varieties stimulate these traits directly from the heart. It's able to soothe Copper Wire Earrings, Oxidised Copper, Diy Earring, Earrings Wire, Gem Earrings, Wrapped Earrings, Crystal Therapy, Earring Designs, Birthstone Earrings