Know all about Tephrite and Anthracite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite belongs to Igneous Rocks while Anthracite belongs to Metamorphic Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Anthracite is Amorphous, Glassy. Tephrite appears Vesicular and Anthracite appears Veined or Pebbled. The luster of Tephrite is subvitreous to dull while that of Anthracite is shiny. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Anthracite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Anthracite are alumina refineries, electricity generation, liquid fuel, manufacture of soap, solvents, dyes, plastics and fibres, paper industry.