Koroite Boulder Opal - 16,72ct
This finely patterned gemstone interspersed with colorful opal veins is a natural 44x20x3mm, Koroite Boulder Opal with sparkling green and blue opal veins. The stone has natural cavities that have not been filled or polished away, fetch points and dips are naturally occurring with this type of stone! The gemstone was mined in Queensland, Australia and has a final weight of 16.72ct. This coroite boulder opal is completely
untreated; no treatment of any kind has been done. The item is sold as seen in the picture.