Know all about Appinite and Shale properties here. All properties of rocks are important as they define the type of rock and its application. Appinite belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks.Texture of Appinite is Porphyritic whereas that of Shale is Clastic, Splintery. Appinite appears Dull, Banded and Foilated and Shale appears Muddy. The luster of Appinite is subvitreous to dull while that of Shale is dull. Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Shale is available in black, brown, buff, green, grey, red, yellow 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 Shale are creating artwork, pottery.