Know all about Felsite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Felsite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Felsite is Arborescent Patterned, Vitreous whereas that of Pseudotachylite is Quench. Felsite appears Layered, Banded, Veined and Shiny and Pseudotachylite appears Dull and Soft. The luster of Felsite and Pseudotachylite is vitreous. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Felsite are mirror, jewelry and that of Pseudotachylite are creating artwork, gemstone.