Know all about Claystone and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Claystone belongs to Sedimentary Rocks while Hyaloclastite belongs to Igneous Rocks.Texture of Claystone is Clastic whereas that of Hyaloclastite is Pyroclastic. Claystone appears Rough and Dull and Hyaloclastite appears Dull. The luster of Claystone is dull while that of Hyaloclastite is dull and grainy. Claystone and Hyaloclastite are available in black, blue, brown, green, grey, orange, red, white, yellow colors. The commercial uses of Claystone are pottery and that of Hyaloclastite are cemetery markers, creating artwork.