Know all about Larvikite and Pseudotachylite properties here. All properties of rocks are important as they define the type of rock and its application. Larvikite belongs to Igneous Rocks while Pseudotachylite belongs to Metamorphic Rocks.Texture of Larvikite is Phaneritic whereas that of Pseudotachylite is Quench. Larvikite appears Shiny and Pseudotachylite appears Dull and Soft. The luster of Larvikite is subvitreous to dull while that of Pseudotachylite is vitreous. Larvikite is available in black, brown, light to dark grey, white colors whereas Pseudotachylite is available in black, brown, colourless, green, grey, pink, white colors. The commercial uses of Larvikite are cemetery markers, commemorative tablets, creating artwork and that of Pseudotachylite are creating artwork, gemstone.