Ethiopian Opal Ring, Teardrop, Cabochon 925 Silver, g1, Size 9Ethiopian Opal Ring, 925 Sterling Silver Teardrop Cabochon of solid Ethiopian Opal with nice green colour flashes in an orange matrix. Bezel Set with open back and interwoven 925 Sterling Silver band, Ethiopian Opals are a relatively recent discovery, and they form differently to Australian Opals. They are always found as solid nodules, not thin veins as in Australia and hence there are no doublets or triplets with Ethiopian Opal. Stone and Bezel 8 x