Know all about Andesite and Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Andesite and Trachyandesite belong to Igneous Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Andesite appears Dull and Soft and Trachyandesite appears Dull and Soft. The luster of Andesite is vitreous while that of Trachyandesite is earthy. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Trachyandesite are creating artwork, pottery.