Know all about Rhyodacite and Teschenite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite and Teschenite belong to Igneous Rocks.Texture of Rhyodacite is Earthy whereas that of Teschenite is Phaneritic. Rhyodacite appears Skeletal and Teschenite appears Veined and Shiny. The luster of Rhyodacite is greasy to dull while that of Teschenite is not available. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Teschenite is available in dark grey to black colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Teschenite are cemetery markers, commemorative tablets, creating artwork, laboratory bench tops, jewelry, sea defence, tombstones.