Know all about Skarn and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Skarn belongs to Metamorphic Rocks while Hyaloclastite belongs to Igneous Rocks.Texture of Skarn is Earthy, Mud-rich, Rough whereas that of Hyaloclastite is Pyroclastic. Skarn appears Dull and Hyaloclastite appears Dull. The luster of Skarn is waxy and dull while that of Hyaloclastite is dull and grainy. Skarn is available in black, brown, colourless, green, grey, white colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo) and that of Hyaloclastite are cemetery markers, creating artwork.