Know all about Ganister and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Ganister belongs to Sedimentary Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Ganister is Clastic, Granular, Rough whereas that of Nepheline Syenite is Granular. Ganister appears Rough and Nepheline Syenite appears Banded and Foilated. The luster of Ganister is dull while that of Nepheline Syenite is greasy to dull. Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones and that of Nepheline Syenite are cemetery markers, creating artwork.