[thirty] Pumice in powdered sort was an component in toothpastes in historical Rome.[31] Nail care was crucial in historical China; nails have been held groomed with pumice stones, and pumice stones had been also utilised to remove calluses. Porosity: Pumice is highly porous, with around 90% of its quantity consisting https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/