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