Know all about Foidolite and Arkose properties here. All properties of rocks are important as they define the type of rock and its application. Foidolite belongs to Igneous Rocks while Arkose belongs to Sedimentary Rocks.Texture of Foidolite is Earthy whereas that of Arkose is Clastic. Foidolite appears Dull and Arkose appears Rough and Dull. The luster of Foidolite is subvitreous to dull while that of Arkose is dull. Foidolite is available in black, brown, colourless, green, grey, pink, white colors whereas Arkose is available in reddish brown colors. The commercial uses of Foidolite are cemetery markers, commemorative tablets, creating artwork and that of Arkose are in aquifers, soil conditioner, source of magnesia (mgo), tombstones.