[30] Pumice in powdered variety was an component in toothpastes in historical Rome.[31] Nail care was extremely important in ancient China; nails were stored groomed with pumice stones, and pumice stones were also utilized to eliminate calluses. Porosity: Pumice is highly porous, with up to 90% of its volume consisting https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/