Know all about Trachyte and Dacite properties here. All properties of rocks are important as they define the type of rock and its application. Trachyte and Dacite belong to Igneous Rocks.Texture of Trachyte is Aphanitic to Porphyritic whereas that of Dacite is Aphanitic to Porphyritic. Trachyte appears Banded and Dacite appears Vesicular. The luster of Trachyte is metallic while that of Dacite is subvitreous to dull. Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors whereas Dacite is available in bluish - grey, brown, grey, light to dark grey colors. The commercial uses of Trachyte are cemetery markers, creating artwork and that of Dacite are commemorative tablets, creating artwork.