Know all about Pseudotachylite and Skarn properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite and Skarn belong to Metamorphic Rocks.Texture of Pseudotachylite is Quench whereas that of Skarn is Earthy, Mud-rich, Rough. Pseudotachylite appears Dull and Soft and Skarn appears Dull. The luster of Pseudotachylite is vitreous while that of Skarn is waxy and dull. Pseudotachylite and Skarn are available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Skarn are creating artwork, gemstone, jewelry, metallurgical flux, source of magnesia (mgo).