Know all about Larvikite and Coal properties here. All properties of rocks are important as they define the type of rock and its application. Larvikite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks.Texture of Larvikite is Phaneritic whereas that of Coal is Amorphous, Glassy. Larvikite appears Shiny and Coal appears Veined or Pebbled. The luster of Larvikite is subvitreous to dull while that of Coal is dull to vitreous to submetallic. Larvikite is available in black, brown, light to dark grey, white colors whereas Coal is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Larvikite are cemetery markers, commemorative tablets, creating artwork and that of Coal are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.