Most pumice erupts from magmas which might be highly billed with gasoline and also have a rhyolitic composition. Almost never, pumice can erupt from gas-billed magmas of basaltic or andesitic composition. Rub the abrasive aspect from the pumice stone above your skin in a very round movement with light strain. https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/