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