Know all about Mangerite and Tachylite properties here. All properties of rocks are important as they define the type of rock and its application. Mangerite and Tachylite belong to Igneous Rocks.Texture of Mangerite is Phaneritic whereas that of Tachylite is Vitreous. Mangerite appears Shiny and Tachylite appears Glassy. The luster of Mangerite is subvitreous to dull while that of Tachylite is resinous. Mangerite is available in black, brown, light to dark grey, white colors whereas Tachylite is available in black, dark brown colors. The commercial uses of Mangerite and Tachylite are cemetery markers, creating artwork.