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