Most pumice erupts from magmas that are very charged with fuel and possess a rhyolitic composition. Seldom, pumice can erupt from gasoline-charged magmas of basaltic or andesitic composition. Pumice mining is usually a floor operation as deposits in many cases are Found near or at the Earth's area in volcanic https://expressbookmark.com/story19415376/pumice-stone-can-be-fun-for-anyone