Know all about Lamprophyre and Marl properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks.Texture of Lamprophyre is Porphyritic whereas that of Marl is Earthy. Lamprophyre appears Dull, Banded and Foilated and Marl appears Rough and Dull. The luster of Lamprophyre is subvitreous to dull while that of Marl is dull. Lamprophyre 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 Lamprophyre are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Marl are creating artwork, soil conditioner.