Know all about Suevite and Siltstone properties here. All properties of rocks are important as they define the type of rock and its application. Suevite belongs to Metamorphic Rocks while Siltstone belongs to Sedimentary Rocks.Texture of Suevite is Earthy whereas that of Siltstone is Clastic. Suevite appears Banded and Siltstone appears Rough. The luster of Suevite is earthy while that of Siltstone is dull. Suevite is available in black, brown, colourless, green, grey, pink colors whereas Siltstone is available in brown, red, reddish brown colors. The commercial uses of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo) and that of Siltstone are raw material for the manufacture of mortar, soil conditioner.