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