Know all about Trachyandesite and Blueschist properties here. All properties of rocks are important as they define the type of rock and its application. Trachyandesite belongs to Igneous Rocks while Blueschist belongs to Metamorphic Rocks.Texture of Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular whereas that of Blueschist is Foliated. Trachyandesite appears Dull and Soft and Blueschist appears Dull and Banded. The luster of Trachyandesite is earthy while that of Blueschist is dull. Trachyandesite is available in black, brown, light to dark grey colors whereas Blueschist is available in blue, bluish - grey, purple, shades of blue colors. The commercial uses of Trachyandesite are creating artwork, pottery and that of Blueschist are cemetery markers, commemorative tablets, creating artwork, curling, tombstones.