Know all about Tephrite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Scoria belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Scoria is Vesicular. Tephrite appears Vesicular and Scoria appears Glassy and Vesicular. The luster of Tephrite and Scoria is subvitreous to dull. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.