Know all about Diabase and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Diabase belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Diabase is Aphanitic, Granular whereas that of Breccia is Brecciated, Clastic. Diabase appears Vesicular and Breccia appears Layered, Banded, Veined and Shiny. The luster of Diabase is not available while that of Breccia is dull to pearly. Diabase is available in dark grey to black colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow 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 Breccia are creating artwork, gemstone, jewelry.