Know all about Limestone and Porphyry properties here. All properties of rocks are important as they define the type of rock and its application. Limestone belongs to Sedimentary Rocks while Porphyry belongs to Igneous Rocks.Texture of Limestone is Clastic or Non-Clastic whereas that of Porphyry is Porphyritic. Limestone appears Rough and Banded and Porphyry appears Dull. The luster of Limestone is dull to pearly while that of Porphyry is dull. Limestone is available in beige, black, blue, brown, cream, gold, green, grey, light green, light grey, linen, pink, red, rust, silver, white, yellow colors whereas Porphyry is available in black, brown, colourless, green, grey, red, rust, white colors. The commercial uses of Limestone are animal feed filler, as a feed additive for livestock, paper industry, raw material for manufacture of quicklime, slaked lime, soil conditioner, used in aquariums, whiting material in toothpaste, paint and paper and that of Porphyry are creating artwork, gemstone, jewelry.