Know all about Mudstone and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Anorthosite belongs to Igneous Rocks.Texture of Mudstone is Clastic whereas that of Anorthosite is Foliated, Glassy. Mudstone appears Rough and Dull and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Mudstone is dull while that of Anorthosite is pearly to subvitreous. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors. The commercial uses of Mudstone are creating artwork, pottery and that of Anorthosite are creating artwork, curling.