Know all about Dacite and Basaltic Trachyandesite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Basaltic Trachyandesite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Basaltic Trachyandesite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Dacite appears Vesicular and Basaltic Trachyandesite appears Dull and Soft. The luster of Dacite is subvitreous to dull while that of Basaltic Trachyandesite is not available. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Basaltic Trachyandesite is available in black, brown, light to dark grey colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Basaltic Trachyandesite are an oil and gas reservoir, commemorative tablets, creating artwork.