Know all about Trachyandesite and Vogesite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Vogesite belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Vogesite is Porphyritic. Trachyandesite appears Dull and Soft and Vogesite appears Dull, Banded and Foilated. The luster of Trachyandesite is earthy while that of Vogesite is subvitreous to dull. Trachyandesite is available in black, brown, light to dark grey colors whereas Vogesite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Vogesite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo).