Know all about Appinite and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Appinite belongs to Igneous Rocks while Skarn belongs to Metamorphic Rocks.Texture of Appinite is Porphyritic whereas that of Skarn is Earthy, Mud-rich, Rough. Appinite appears Dull, Banded and Foilated and Skarn appears Dull. The luster of Appinite is subvitreous to dull while that of Skarn is waxy and dull. Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Skarn 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 Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).