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