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