Know all about Pseudotachylite and Ignimbrite properties here. All properties of rocks are important as they define the type of rock and its application. Pseudotachylite belongs to Metamorphic Rocks while Ignimbrite belongs to Igneous Rocks.Texture of Pseudotachylite is Quench whereas that of Ignimbrite is Aphanitic. Pseudotachylite appears Dull and Soft and Ignimbrite appears Dull, Vesicular and Foilated. The luster of Pseudotachylite is vitreous while that of Ignimbrite is vitreous to dull. Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors whereas Ignimbrite is available in beige, black, brown, grey, pink, white colors. The commercial uses of Pseudotachylite are creating artwork, gemstone and that of Ignimbrite are cemetery markers, commemorative tablets, creating artwork.