Know all about Nephelinite and Diorite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite and Diorite belong to Igneous Rocks.Texture of Nephelinite is Aphanitic whereas that of Diorite is Phaneritic. Nephelinite appears Skeletal and Diorite appears Shiny. The luster of Nephelinite is vitreous to metallic while that of Diorite is shiny. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Diorite is available in black, brown, light to dark grey, white colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Diorite are creating artwork, curling.