Spain Imports from Switzerland of Feldspar, Leucite, Nepheline, Nepheline Syenite, Fluorspar was US$165 during 2018, according to the United Nations COMTRADE database on international trade. Spain Imports from Switzerland of Feldspar, Leucite, Nepheline, Nepheline Syenite, Fluorspar - data, historical chart and statistics - was last updated on May of 2024.