%0 Journal Article %T The 16th Russian seminar "Technological mineralogy: comprehensive assessment of non-conventional types of mineral raw materials and their rational use" %A Kovalchuk, N.S. %K %J Vestnik of geosciences %D 2024 %N 0 %P 0 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"