Know all about Porphyry and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Ijolite belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Ijolite is Earthy, Granular. Porphyry appears Dull and Ijolite appears Banded and Foilated. The luster of Porphyry is dull while that of Ijolite is greasy to dull. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Ijolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Ijolite are cemetery markers, creating artwork.