Know all about Porphyry and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Porphyry and Appinite belong to Igneous Rocks.Texture of Porphyry is Porphyritic whereas that of Appinite is Porphyritic. Porphyry appears Dull and Appinite appears Dull, Banded and Foilated. The luster of Porphyry is dull while that of Appinite is subvitreous to dull. Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Porphyry are creating artwork, gemstone, jewelry and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.