White pumice is Amongst the lightest and most commonly observed varieties. It sorts from very siliceous lava and is frequently Employed in the production of light-weight concrete. Porosity: Pumice is highly porous, with as much as 90% of its volume consisting of vacant Areas, which makes it a fantastic content https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/