XOSHJANOVA, Kamila; SOBIROVA, Nilufarxon. MINERALOGICAL-GEOCHEMICAL AND GEMMOLOGICAL CHARACTERISTICS OF OPAL, CAHOLONG OF THE KYNYR DEPOSIT. «ACTA NUUz», [S. l.], v. 3, n. 3.1.1, p. 349–352, 2026. Disponível em: http://journals.nuu.uz/index.php/actanuuz/article/view/14744. Acesso em: 7 sep. 2026.