Know all about Hawaiite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Hawaiite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Hawaiite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Mylonite is Foliated. Hawaiite appears Dull and Soft and Mylonite appears Dull, Banded and Foilated. The luster of Hawaiite is not available while that of Mylonite is shiny. Hawaiite is available in black, brown, light to dark grey colors whereas Mylonite is available in black to grey colors. The commercial uses of Hawaiite are creating artwork, sea defence and that of Mylonite are creating artwork, gemstone, jewelry.