Know all about Hyaloclastite and Breccia properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite belongs to Igneous Rocks while Breccia belongs to Sedimentary Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Breccia is Brecciated, Clastic. Hyaloclastite appears Dull and Breccia appears Layered, Banded, Veined and Shiny. The luster of Hyaloclastite is dull and grainy while that of Breccia is dull to pearly. Hyaloclastite is available in brown, grey, yellow colors whereas Breccia is available in beige, black, blue, brown, buff, green, grey, orange, pink, purple, red, rust, white, yellow colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Breccia are creating artwork, gemstone, jewelry.