Most pumice erupts from magmas which can be extremely charged with gas and have a rhyolitic composition. Rarely, pumice can erupt from gas-charged magmas of basaltic or andesitic composition. Resulting from its porous framework, pumice is Employed in soil mixes for horticulture. It helps with h2o retention, aeration, and drainage https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/