Know all about Pseudotachylite and Basanite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite belongs to Metamorphic Rocks while Basanite belongs to Igneous Rocks.Texture of Pseudotachylite is Quench whereas that of Basanite is Aphanitic to Porphyritic. Pseudotachylite appears Dull and Soft and Basanite appears Glassy or Pearly. The luster of Pseudotachylite is vitreous while that of Basanite is waxy and dull. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas Basanite is available in black, brown, green, grey, red, white colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Basanite are as a touchstone, creating artwork, gemstone, in fire-starting tools, manufacture of tools, metallurgical flux, jewelry, to ignite fire, used in flintlock firearms.