Most pumice erupts from magmas that happen to be extremely billed with gas and also have a rhyolitic composition. Not often, pumice can erupt from fuel-billed magmas of basaltic or andesitic composition. This rush of fuel within the vent shreds the magma and blows it out being a molten froth. https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/