Know all about Trachyte and Hyaloclastite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyte and Hyaloclastite belong to Igneous Rocks.Texture of Trachyte is Aphanitic to Porphyritic whereas that of Hyaloclastite is Pyroclastic. Trachyte appears Banded and Hyaloclastite appears Dull. The luster of Trachyte is metallic while that of Hyaloclastite is dull and grainy. Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors whereas Hyaloclastite is available in brown, grey, yellow colors. The commercial uses of Trachyte and Hyaloclastite are cemetery markers, creating artwork.