Know all about Trachyandesite and Suevite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite belongs to Igneous Rocks while Suevite belongs to Metamorphic Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Suevite is Earthy. Trachyandesite appears Dull and Soft and Suevite appears Banded. The luster of Trachyandesite and Suevite is earthy. Trachyandesite is available in black, brown, light to dark grey colors whereas Suevite is available in black, brown, colourless, green, grey, pink colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Suevite are as a feed additive for livestock, gemstone, metallurgical flux, source of magnesia (mgo).