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