Phenomenal full spectrum flashing 4.68ct semi-black Opal

This is an amazing opal. It has a smokey shimmer over its rich amber hue giving its body color a slight shift with movement. The rich coloring enhances its gorgeous pinfire and ribbon patterns, flashing in a full spectrum color palette including rare blues and turquois. You can even observe full rainbows! It has substantial size, measuring 13.9mm x 10.9mm x 5.9mm, and a glistening liquid luster. Sourced from Welo, Ethiopia. Unheated!