Slovakia Imports from Belgium of Feldspar, Leucite, Nepheline, Nepheline Syenite, Fluorspar was US$575 during 2023, according to the United Nations COMTRADE database on international trade. Slovakia Imports from Belgium of Feldspar, Leucite, Nepheline, Nepheline Syenite, Fluorspar - data, historical chart and statistics - was last updated on June of 2024.