Most pumice erupts from magmas that happen to be very charged with gasoline and have a rhyolitic composition. Hardly ever, pumice can erupt from gasoline-charged magmas of basaltic or andesitic composition. This hurry of fuel within the vent shreds the magma and blows it out for a molten froth. The https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/