Know all about Lamprophyre and Rhyodacite properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre and Rhyodacite belong to Igneous Rocks.Texture of Lamprophyre is Porphyritic whereas that of Rhyodacite is Earthy. Lamprophyre appears Dull, Banded and Foilated and Rhyodacite appears Skeletal. The luster of Lamprophyre is subvitreous to dull while that of Rhyodacite is greasy to dull. Lamprophyre 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 Lamprophyre 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.