Know all about Dacite and Pyrolite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Pyrolite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Pyrolite is Phaneritic. Dacite appears Vesicular and Pyrolite appears Rough and Shiny. The luster of Dacite is subvitreous to dull while that of Pyrolite is shiny. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Pyrolite is available in dark greenish - grey colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds.