Know all about Diabase and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Mylonite is Foliated. Diabase appears Vesicular and Mylonite appears Dull, Banded and Foilated. The luster of Diabase is not available while that of Mylonite is shiny. Diabase is available in dark grey to black colors whereas Mylonite is available in black to grey colors. The commercial uses of Diabase are an oil and gas reservoir, cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Mylonite are creating artwork, gemstone, jewelry.