Koroit Boulder Opal - 51,77ct
This finely patterned gemstone interspersed with colorful opal veins is a natural 40x21x6.5mm, Koroit boulder opal with sparkling green and blue opal veins. The stone has natural hollows on the backside that have not been filled or cut away, fetch marks and dips are naturally occurring with this type of stone! The gemstone was mined in Queensland, Australia and has a final weight of 51.77ct. This Koroit boulder opal is completely untreated; no treatment of any kind has been done. The item is sold as seen in the picture.
