Know all about Sovite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Sovite and Nephelinite belong to Igneous Rocks.Texture of Sovite is Granular, Poikiloblastic whereas that of Nephelinite is Aphanitic. Sovite appears Dull, Banded and Foilated and Nephelinite appears Skeletal. The luster of Sovite is subvitreous to dull while that of Nephelinite is vitreous to metallic. Sovite and Nephelinite are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Sovite and Nephelinite are an oil and gas reservoir, as a feed additive for livestock, creating artwork, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).