Know all about Rhyolite and Appinite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Appinite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Appinite is Porphyritic. Rhyolite appears Banded and Appinite appears Dull, Banded and Foilated. The luster of Rhyolite is earthy while that of Appinite is subvitreous to dull. Rhyolite is available in grey, white, light black colors whereas Appinite is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Appinite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner.