Know all about Nephelinite and Variolite properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite and Variolite belong to Igneous Rocks.Texture of Nephelinite is Aphanitic whereas that of Variolite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Nephelinite appears Skeletal and Variolite appears Dull and Soft. The luster of Nephelinite is vitreous to metallic while that of Variolite is not available. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Variolite is available in black, brown, light to dark grey colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Variolite are cemetery markers, creating artwork.