Most pumice erupts from magmas that are extremely billed with gas and possess a rhyolitic composition. Rarely, pumice can erupt from gasoline-billed magmas of basaltic or andesitic composition. You will find a pumice stone at your neighborhood pharmacy, department keep, or even the non-public care segment with the food market. https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/