Know all about Rhyolite and Nephelinite properties here. All properties of rocks are important as they define the type of rock and its application. Rhyolite and Nephelinite belong to Igneous Rocks.Texture of Rhyolite is Aphanitic, Glassy, Porphyritic whereas that of Nephelinite is Aphanitic. Rhyolite appears Banded and Nephelinite appears Skeletal. The luster of Rhyolite is earthy while that of Nephelinite is vitreous to metallic. Rhyolite is available in grey, white, light black colors whereas Nephelinite is available in black, brown, colourless, green, grey, white colors. The commercial uses of Rhyolite are gemstone, laboratory bench tops, jewelry and that of Nephelinite are creating artwork, soil conditioner, source of magnesia (mgo).