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