Know all about Tephrite and Charnockite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Charnockite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Charnockite is Granular. Tephrite appears Vesicular and Charnockite appears Veined or Pebbled. The luster of Tephrite is subvitreous to dull while that of Charnockite is not available. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Charnockite is available in black, grey, orange, pink, white colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Charnockite are curling, gemstone, laboratory bench tops, tombstones.