The material cools so promptly that atoms from the soften are unable to prepare them selves right into a crystalline composition. Thus, pumice is really an amorphous volcanic glass often called a "mineraloid." You could find a pumice stone at your neighborhood pharmacy, Division store, or perhaps the non-public care https://edenproductsltd.co.uk/2025/04/17/the-history-of-pumice-stone-from-ancient-civilisations-to-modern-day-uses/