Know all about Shale and Minette properties here. All properties of rocks are important as they define the type of rock and its application. Shale belongs to Sedimentary Rocks while Minette belongs to Igneous Rocks.Texture of Shale is Clastic, Splintery whereas that of Minette is Porphyritic. Shale appears Muddy and Minette appears Dull, Banded and Foilated. The luster of Shale is dull while that of Minette is subvitreous to dull. Shale is available in black, brown, buff, green, grey, red, yellow colors whereas Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Shale are creating artwork, pottery and that of Minette are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).