Know all about Marl and Adakite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Adakite belongs to Igneous Rocks.Texture of Marl is Earthy whereas that of Adakite is Porphyritic. Marl appears Rough and Dull and Adakite appears Dull and Soft. The luster of Marl is dull while that of Adakite is grainy, pearly and vitreous. Marl is available in beige, brown, green, grey, white colors whereas Adakite is available in black, brown, light to dark grey colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Adakite are commemorative tablets, pottery, used in aquariums.