Ethiopian Opal Ring, Polished Rough, Colour Flash, 925 Silver, r6, Size 7Ethiopian Opal Ring, 925 Sterling Silver Raw polished nugget of Ethiopian Opal with some lovely colour flashes A simple Bezel setting holds the stone securely with a solid back. 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. Face is 8 x 10 mm US Ring Size 7, AUS Size