Know all about Oil shale and Suevite properties here. All properties of rocks are important as they define the type of rock and its application. Oil shale belongs to Sedimentary Rocks while Suevite belongs to Metamorphic Rocks.Texture of Oil shale is Splintery whereas that of Suevite is Earthy. Oil shale appears Muddy and Suevite appears Banded. The luster of Oil shale is dull while that of Suevite is earthy. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas Suevite is available in black, brown, colourless, green, grey, pink colors. The commercial uses of Oil shale are an oil and gas reservoir and that of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo).