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