Know all about Teschenite and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Teschenite and Rhyolite belong to Igneous Rocks.Texture of Teschenite is Phaneritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Teschenite appears Veined and Shiny and Rhyolite appears Banded. The luster of Teschenite is not available while that of Rhyolite is earthy. Teschenite is available in dark grey to black colors whereas Rhyolite is available in grey, white, light black colors. The commercial uses of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones and that of Rhyolite are gemstone, laboratory bench tops, jewelry.