Know all about Tachylite and Benmoreite properties here. All properties of rocks are important as they define the type of rock and its application. Tachylite and Benmoreite belong to Igneous Rocks.Texture of Tachylite is Vitreous whereas that of Benmoreite is Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular. Tachylite appears Glassy and Benmoreite appears Rough and Dull. The luster of Tachylite is resinous while that of Benmoreite is earthy. Tachylite is available in black, dark brown colors whereas Benmoreite is available in black, brown, light to dark grey colors. The commercial uses of Tachylite are cemetery markers, creating artwork and that of Benmoreite are commemorative tablets, creating artwork, curling.