Opal and TopazThis lovely ring features a faceted opal with abundant flashes of orange and green. Although faceting is not common with opals, it can increase some of the play of colour by providing more faces for the light to hit. At 9 x 7 mm, this opal is a great size for a ring, making a good display but not overwhelming the hand. The central gemstone is surrounded by six white topazes (three on each side) to add some extra sparkle to the ring. These smaller