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