Know all about Tephrite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Tephrite and Rhyolite belong to Igneous Rocks.Texture of Tephrite is Aphanitic to Porphyritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Tephrite appears Vesicular and Rhyolite appears Banded. The luster of Tephrite is subvitreous to dull while that of Rhyolite is earthy. Tephrite is available in black, brown, colourless, green, grey, white colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Tephrite are production of lime, soil conditioner and that of Rhyolite are gemstone, laboratory bench tops, jewelry.