Know all about Marl and Hawaiite properties here. All properties of rocks are important as they define the type of rock and its application. Marl belongs to Sedimentary Rocks while Hawaiite belongs to Igneous Rocks.Texture of Marl is Earthy whereas that of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Marl appears Rough and Dull and Hawaiite appears Dull and Soft. The luster of Marl is dull while that of Hawaiite is not available. Marl is available in beige, brown, green, grey, white colors whereas Hawaiite is available in black, brown, light to dark grey colors. The commercial uses of Marl are creating artwork, soil conditioner and that of Hawaiite are creating artwork, sea defence.