Know all about Mudstone and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Mudstone belongs to Sedimentary Rocks while Foidolite belongs to Igneous Rocks.Texture of Mudstone is Clastic whereas that of Foidolite is Earthy. Mudstone appears Rough and Dull and Foidolite appears Dull. The luster of Mudstone is dull while that of Foidolite is subvitreous to dull. Mudstone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Mudstone are creating artwork, pottery and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.