Know all about Vogesite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Vogesite and Rhyodacite belong to Igneous Rocks.Texture of Vogesite is Porphyritic whereas that of Rhyodacite is Earthy. Vogesite appears Dull, Banded and Foilated and Rhyodacite appears Skeletal. The luster of Vogesite is subvitreous to dull while that of Rhyodacite is greasy to dull. Vogesite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Vogesite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Rhyodacite are cemetery markers, creating artwork.