Know all about Rhyodacite and Aplite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite and Aplite belong to Igneous Rocks.Texture of Rhyodacite is Earthy whereas that of Aplite is Granular, Graphic. Rhyodacite appears Skeletal and Aplite appears Veined or Pebbled. The luster of Rhyodacite is greasy to dull while that of Aplite is dull to pearly to subvitreous. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Aplite is available in black, grey, orange, pink, white colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Aplite are curling, gemstone, laboratory bench tops, small sculptures, tombstones.