Know all about Pseudotachylite and Teschenite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite belongs to Metamorphic Rocks while Teschenite belongs to Igneous Rocks.Texture of Pseudotachylite is Quench whereas that of Teschenite is Phaneritic. Pseudotachylite appears Dull and Soft and Teschenite appears Veined and Shiny. The luster of Pseudotachylite is vitreous while that of Teschenite is not available. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas Teschenite is available in dark grey to black colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.