Know all about Dacite and Troctolite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Troctolite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Troctolite is Phaneritic. Dacite appears Vesicular and Troctolite appears Veined and Shiny. The luster of Dacite is subvitreous to dull while that of Troctolite is not available. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Troctolite is available in dark grey to black colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Troctolite are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones.