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