The material cools so swiftly that atoms in the soften are unable to organize on their own into a crystalline construction. Thus, pumice is really an amorphous volcanic glass called a "mineraloid." Then, rub a dry pumice stone more than the pilling in round motions. You should not push much https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/