Know all about Conglomerate and Tachylite properties here. All properties of rocks are important as they define the type of rock and its application. Conglomerate belongs to Sedimentary Rocks while Tachylite belongs to Igneous Rocks.Texture of Conglomerate is Clastic whereas that of Tachylite is Vitreous. Conglomerate appears Shiny and Rounded and Tachylite appears Glassy. The luster of Conglomerate is dull while that of Tachylite is resinous. Conglomerate is available in beige, black, brown, buff, light to dark grey, orange, rust, white, yellow colors whereas Tachylite is available in black, dark brown colors. The commercial uses of Conglomerate are cemetery markers, in aquifers, tombstones and that of Tachylite are cemetery markers, creating artwork.