Know all about Appinite and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Appinite belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks.Texture of Appinite is Porphyritic whereas that of Marl is Earthy. Appinite appears Dull, Banded and Foilated and Marl appears Rough and Dull. The luster of Appinite is subvitreous to dull while that of Marl is dull. Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Marl is available in beige, brown, green, grey, white colors. The commercial uses of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner and that of Marl are creating artwork, soil conditioner.