Know all about Mudstone and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Appinite belongs to Igneous Rocks.Texture of Mudstone is Clastic whereas that of Appinite is Porphyritic. Mudstone appears Rough and Dull and Appinite appears Dull, Banded and Foilated. The luster of Mudstone is dull while that of Appinite is subvitreous to dull. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Mudstone are creating artwork, pottery and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.