Know all about Tachylite and Diamictite properties here. All properties of rocks are important as they define the type of rock and its application. Tachylite belongs to Igneous Rocks while Diamictite belongs to Sedimentary Rocks.Texture of Tachylite is Vitreous whereas that of Diamictite is Clastic. Tachylite appears Glassy and Diamictite appears Banded. The luster of Tachylite is resinous while that of Diamictite is grainy, pearly and vitreous. Tachylite is available in black, dark brown colors whereas Diamictite is available in brown, buff colors. The commercial uses of Tachylite are cemetery markers, creating artwork and that of Diamictite are commemorative tablets, creating artwork, production of lime.