rhyolite light

Is Rhyolite Light Or Dark? Rhyolite is a fine-grained extrusive igneous rock or volcanic rock. It is pale coloured, often light grey, tan or pinkish. Rhyolite is made up of quartz and feldspar crystals, and occasionally contains some mafic (dark coloured) minerals. Is igneous rock light or dark? The most general classification is based on