Know all about Basaltic Trachyandesite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Basaltic Trachyandesite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Pseudotachylite is Quench. Basaltic Trachyandesite appears Dull and Soft and Pseudotachylite appears Dull and Soft. The luster of Basaltic Trachyandesite is not available while that of Pseudotachylite is vitreous. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork and that of Pseudotachylite are creating artwork, gemstone.