Know all about Syenite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Syenite and Nephelinite belong to Igneous Rocks.Texture of Syenite is Earthy whereas that of Nephelinite is Aphanitic. Syenite appears Banded and Foilated and Nephelinite appears Skeletal. The luster of Syenite is subvitreous to dull while that of Nephelinite is vitreous to metallic. Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Syenite are cemetery markers, creating artwork and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).