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