Know all about Schist and Foidolite properties here. All properties of rocks are important as they define the type of rock and its application. Schist belongs to Metamorphic Rocks while Foidolite belongs to Igneous Rocks.Texture of Schist is Foliated, Platy whereas that of Foidolite is Earthy. Schist appears Layered and Shiny and Foidolite appears Dull. The luster of Schist is shiny while that of Foidolite is subvitreous to dull. Schist is available in black, blue, brown, dark brown, green, grey, silver colors whereas Foidolite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Schist are used in aquariums, writing slates and that of Foidolite are cemetery markers, commemorative tablets, creating artwork.