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