[thirty] Pumice in powdered type was an ingredient in toothpastes in historical Rome.[31] Nail care was very important in ancient China; nails ended up kept groomed with pumice stones, and pumice stones were also applied to get rid of calluses. The most important volcanic eruptions can eject lots of cubic https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/