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