Know all about Porphyry and Conglomerate properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry belongs to Igneous Rocks while Conglomerate belongs to Sedimentary Rocks.Texture of Porphyry is Porphyritic whereas that of Conglomerate is Clastic. Porphyry appears Dull and Conglomerate appears Shiny and Rounded. The luster of Porphyry and Conglomerate is dull. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Conglomerate are cemetery markers, in aquifers, tombstones.