Know all about Anorthosite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Anorthosite and Rhyodacite belong to Igneous Rocks.Texture of Anorthosite is Foliated, Glassy whereas that of Rhyodacite is Earthy. Anorthosite appears Layered, Banded, Veined and Shiny and Rhyodacite appears Skeletal. The luster of Anorthosite is pearly to subvitreous while that of Rhyodacite is greasy to dull. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Anorthosite are creating artwork, curling and that of Rhyodacite are cemetery markers, creating artwork.