Know all about Skarn and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Foidolite belongs to Igneous Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Foidolite is Earthy. Skarn appears Dull and Foidolite appears Dull. The luster of Skarn is waxy and dull while that of Foidolite is subvitreous to dull. Skarn is available in black, brown, colourless, green, grey, white colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.