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