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