Know all about Rhyodacite and Basalt properties here. All properties of rocks are important as they define the type of rock and its application. Rhyodacite and Basalt belong to Igneous Rocks.Texture of Rhyodacite is Earthy whereas that of Basalt is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Rhyodacite appears Skeletal and Basalt appears Dull and Soft. The luster of Rhyodacite is greasy to dull while that of Basalt is not available. Rhyodacite is available in black to grey, dark greenish - grey colors whereas Basalt is available in black, brown, light to dark grey colors. The commercial uses of Rhyodacite are cemetery markers, creating artwork and that of Basalt are an oil and gas reservoir, commemorative tablets, creating artwork, used in aquariums.