Know all about Trachyandesite and Ijolite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite and Ijolite belong to Igneous Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Ijolite is Earthy, Granular. Trachyandesite appears Dull and Soft and Ijolite appears Banded and Foilated. The luster of Trachyandesite is earthy while that of Ijolite is greasy to dull. Trachyandesite is available in black, brown, light to dark grey colors whereas Ijolite is available in brown, buff, cream, green, grey, pink, white colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Ijolite are cemetery markers, creating artwork.