Know all about Claystone and Anorthosite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Anorthosite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Anorthosite is Foliated, Glassy. Claystone appears Rough and Dull and Anorthosite appears Layered, Banded, Veined and Shiny. The luster of Claystone is dull while that of Anorthosite is pearly to subvitreous. Claystone 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 Claystone are pottery and that of Anorthosite are creating artwork, curling.