Know all about Tachylite and Cataclasite properties here. All properties of rocks are important as they define the type of rock and its application. Tachylite belongs to Igneous Rocks while Cataclasite belongs to Metamorphic Rocks.Texture of Tachylite is Vitreous whereas that of Cataclasite is Clastic. Tachylite appears Glassy and Cataclasite appears Dull and Banded. The luster of Tachylite is resinous while that of Cataclasite is vitreous. Tachylite is available in black, dark brown colors whereas Cataclasite is available in brown, green, white, yellow colors. The commercial uses of Tachylite are cemetery markers, creating artwork and that of Cataclasite are commemorative tablets, creating artwork.