Imports In 2022, Nepal imported $5.17k in Leucite, nepheline and nepheline syenite, becoming the 86th largest importer of Leucite, nepheline and nepheline syenite in the world. At the same year, Leucite, nepheline and nepheline syenite was the 3696th most imported product in Nepal. Nepal imports Leucite, nepheline and nepheline syenite primarily from: Canada ($5.17k).