Know all about Oil shale and Lamprophyre 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 Lamprophyre belongs to Igneous Rocks.Texture of Oil shale is Splintery whereas that of Lamprophyre is Porphyritic. Oil shale appears Muddy and Lamprophyre appears Dull, Banded and Foilated. The luster of Oil shale is dull while that of Lamprophyre is subvitreous to dull. Oil shale is available in black, brown, buff, green, grey, red, yellow colors whereas Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Oil shale are an oil and gas reservoir and that of Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).