Know all about Tephrite and Phyllite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite belongs to Igneous Rocks while Phyllite belongs to Metamorphic Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Phyllite is Phyllitic Sheen, Slaty. Tephrite appears Vesicular and Phyllite appears Crinkled or Wavy. The luster of Tephrite is subvitreous to dull while that of Phyllite is phyllitic. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Phyllite is available in black to grey, light greenish grey colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Phyllite are cemetery markers, commemorative tablets, creating artwork, writing slates.