Know all about Tachylite and Serpentinite properties here. All properties of rocks are important as they define the type of rock and its application. Tachylite belongs to Igneous Rocks while Serpentinite belongs to Metamorphic Rocks.Texture of Tachylite is Vitreous whereas that of Serpentinite is Earthy. Tachylite appears Glassy and Serpentinite appears Rough and Dull. The luster of Tachylite is resinous while that of Serpentinite is waxy and dull. Tachylite is available in black, dark brown colors whereas Serpentinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Tachylite are cemetery markers, creating artwork and that of Serpentinite are commemorative tablets, creating artwork.