Know all about Nephelinite and Ganister properties here. All properties of rocks are important as they define the type of rock and its application. Nephelinite belongs to Igneous Rocks while Ganister belongs to Sedimentary Rocks.Texture of Nephelinite is Aphanitic whereas that of Ganister is Clastic, Granular, Rough. Nephelinite appears Skeletal and Ganister appears Rough. The luster of Nephelinite is vitreous to metallic while that of Ganister is dull. Nephelinite is available in black, brown, colourless, green, grey, white colors whereas Ganister is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo) and that of Ganister are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones.