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