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