Know all about Claystone and Minette properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Minette belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Minette is Porphyritic. Claystone appears Rough and Dull and Minette appears Dull, Banded and Foilated. The luster of Claystone is dull while that of Minette is subvitreous to dull. Claystone is available in black, blue, brown, green, grey, orange, red, white, yellow colors whereas Minette is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Claystone are 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).