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