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