Estonia Exports of feldspar, leucite, nepheline, nepheline syenite, fluorspar to Uzbekistan was US$4.75 Thousand during 2015, according to the United Nations COMTRADE database on international trade. Estonia Exports of feldspar, leucite, nepheline, nepheline syenite, fluorspar to Uzbekistan - data, historical chart and statistics - was last updated on May of 2024.