Surova V., Gayevsky Yu., Horobchyshyn О., Lyashok V.

Artificial analogues of semi-precious stones. Part 2

Gayevsky Yu., Belichenko O., Vovk N.

"Zultanite" – diaspore with the color-change effect

Tatarintsev V., Vyshnevska L.

Harmonization of gemological terminology in the diamond industry. Creating a bilingual glossary

Sergiienko I., Chertova D.

Petrographic identification of labradorite varieties from the collection of reference samples of trade names of geological materials at the State Gemological Center of Ukraine