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