Know all about Charnockite and Tachylite properties here. All properties of rocks are important as they define the type of rock and its application. Charnockite and Tachylite belong to Igneous Rocks.Texture of Charnockite is Granular whereas that of Tachylite is Vitreous. Charnockite appears Veined or Pebbled and Tachylite appears Glassy. The luster of Charnockite is not available while that of Tachylite is resinous. Charnockite is available in black, grey, orange, pink, white colors whereas Tachylite is available in black, dark brown colors. The commercial uses of Charnockite are curling, gemstone, laboratory bench tops, tombstones and that of Tachylite are cemetery markers, creating artwork.