Know all about Marl and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Ijolite belongs to Igneous Rocks.Texture of Marl is Earthy whereas that of Ijolite is Earthy, Granular. Marl appears Rough and Dull and Ijolite appears Banded and Foilated. The luster of Marl is dull while that of Ijolite is greasy to dull. Marl is available in beige, brown, green, grey, white colors whereas Ijolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Ijolite are cemetery markers, creating artwork.