Know all about Granulite and Tephrite properties here. All properties of rocks are important as they define the type of rock and its application. Granulite belongs to Metamorphic Rocks while Tephrite belongs to Igneous Rocks.Texture of Granulite is Granoblastic whereas that of Tephrite is Aphanitic to Porphyritic. Granulite appears Veined or Pebbled and Tephrite appears Vesicular. The luster of Granulite is vitreous while that of Tephrite is subvitreous to dull. Granulite is available in black, brown colors whereas Tephrite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Granulite are curling, gemstone, laboratory bench tops, soil conditioner, tombstones and that of Tephrite are production of lime, soil conditioner.