Know all about Limestone and Nepheline Syenite properties here. All properties of rocks are important as they define the type of rock and its application. Limestone belongs to Sedimentary Rocks while Nepheline Syenite belongs to Igneous Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Nepheline Syenite is Granular. Limestone appears Rough and Banded and Nepheline Syenite appears Banded and Foilated. The luster of Limestone is dull to pearly while that of Nepheline Syenite is greasy to dull. Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper and that of Nepheline Syenite are cemetery markers, creating artwork.