The back side is a V -cut artificial opal (KYOTO OPAL).
It is an artificial opal by the combination of opal structure and resin. Vividly dyed, giving off a sparkle like a natural opal. The beautifully mixed color like a painting is attractive. You can make delicate accessories simply by fastening the nail type stone. * In the manufacturing process, there are individual differences in the pattern. * In the manufacturing process, the pattern may look like a white line, or may have a dark part.