Know all about Hyaloclastite and Mylonite properties here. All properties of rocks are important as they define the type of rock and its application. Hyaloclastite belongs to Igneous Rocks while Mylonite belongs to Metamorphic Rocks.Texture of Hyaloclastite is Pyroclastic whereas that of Mylonite is Foliated. Hyaloclastite appears Dull and Mylonite appears Dull, Banded and Foilated. The luster of Hyaloclastite is dull and grainy while that of Mylonite is shiny. Hyaloclastite is available in brown, grey, yellow colors whereas Mylonite is available in black to grey colors. The commercial uses of Hyaloclastite are cemetery markers, creating artwork and that of Mylonite are creating artwork, gemstone, jewelry.