Know all about Minette and Rhyolite properties here. All properties of rocks are important as they define the type of rock and its application. Minette and Rhyolite belong to Igneous Rocks.Texture of Minette is Porphyritic whereas that of Rhyolite is Aphanitic, Glassy, Porphyritic. Minette appears Dull, Banded and Foilated and Rhyolite appears Banded. The luster of Minette is subvitreous to dull while that of Rhyolite is earthy. Minette 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 Minette 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 Rhyolite are gemstone, laboratory bench tops, jewelry.