Know all about Dacite and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Dacite and Rhyodacite belong to Igneous Rocks.Texture of Dacite is Aphanitic to Porphyritic whereas that of Rhyodacite is Earthy. Dacite appears Vesicular and Rhyodacite appears Skeletal. The luster of Dacite is subvitreous to dull while that of Rhyodacite is greasy to dull. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas Rhyodacite is available in black to grey, dark greenish - grey colors. The commercial uses of Dacite are commemorative tablets, creating artwork and that of Rhyodacite are cemetery markers, creating artwork.