26 Carat Australian Koroit Boulder Opal

This 26.05 Ct. Australian Koroit Boulder Opal has shimmering veins of teal, green, blue and yellow. This is a unique variety of October's birthstone - all the Koroit Boulder Opals have these gorgeous natural designs and patterns in the stone - and the best ones like this one have the "flashing" seams filled with colors that appear to move as the stone moves. You can see that here: https://youtu.be/bn79PDVLZNQ This stone is ready to be set in a pendant for your loved one or yourself, or would make an incredible addition to your gem and mineral collection! Beautifully cut in a teardrop/pear shape, this stone measures 28.5mm X 17.3 mm X 7.9 mm.