Genuine Ethiopian Opal adjustable bracelet with Fine silver 2.5mm beads between each Opal. The extender chain allows the bracelet to be adjustable from 7.5" to 8.5". The natural gemstones are graduated in size from 4mm to 6.5mm and have internal color play in shades of red, yellow, blue, and green that move as the bracelet moves. There is another Opal at the end of the extension chain.