Know all about Porphyry and Essexite properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Essexite belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Essexite is Granular. Porphyry appears Dull and Essexite appears Banded. The luster of Porphyry is dull while that of Essexite is not available. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Essexite is available in dark grey to black colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Essexite are cemetery markers, commemorative tablets, jewelry, sea defence, tombstones.