Know all about Pyrolite and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Pyrolite and Hyaloclastite belong to Igneous Rocks.Texture of Pyrolite is Phaneritic whereas that of Hyaloclastite is Pyroclastic. Pyrolite appears Rough and Shiny and Hyaloclastite appears Dull. The luster of Pyrolite is shiny while that of Hyaloclastite is dull and grainy. Pyrolite is available in dark greenish - grey colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Pyrolite are creating artwork, gemstone, jewelry, source of chromite, platinum, nickel and garnet, source of diamonds and that of Hyaloclastite are cemetery markers, creating artwork.