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