Know all about Pseudotachylite and Cataclasite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite and Cataclasite belong to Metamorphic Rocks.Texture of Pseudotachylite is Quench whereas that of Cataclasite is Clastic. Pseudotachylite appears Dull and Soft and Cataclasite appears Dull and Banded. The luster of Pseudotachylite and Cataclasite is vitreous. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas Cataclasite is available in brown, green, white, yellow colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Cataclasite are commemorative tablets, creating artwork.