Know all about Aplite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Aplite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Aplite is Granular, Graphic whereas that of Pseudotachylite is Quench. Aplite appears Veined or Pebbled and Pseudotachylite appears Dull and Soft. The luster of Aplite is dull to pearly to subvitreous while that of Pseudotachylite is vitreous. Aplite is available in black, grey, orange, pink, white colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones and that of Pseudotachylite are creating artwork, gemstone.