21ct TW Boulder Opal Rub Parcel 100ct+ Responsible Sourcing Reference LG180031 Notes

Responsible Sourcing Reference  LG180031 Notes

Responsible Sourcing Reference  LG300008 Notes

The piece has a nice wide table and although it does show a slight window the the surrounding facets have amazing sparkle and intense colour creating a beautiful stone

Clarity VS/SI Treatment Standard heat treatment Origin Pakistan

7mm Colour Mix Clarity NA Treatment None Origin India

21ct TW Boulder Opal Rub Parcel 100ct+ Responsible Sourcing Reference LG180031 NotesThis beautiful boulder opal rub parcel was mined from a deposit in Winton, Queensland, Australia. "Rubs" are partially preformed rough opals that have been trimmed and shaped to show their potential but are not polished. The images show the stones both wet and dry. These pieces are perfect for beginners just starting out with cutting and polishing opal to practice on. They are also great as as collectors pieces when kept in water or you can even use