Know all about Nepheline Syenite and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Foidolite belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Foidolite is Earthy. Nepheline Syenite appears Banded and Foilated and Foidolite appears Dull. The luster of Nepheline Syenite is greasy to dull while that of Foidolite is subvitreous to dull. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.