Most pumice erupts from magmas that are very charged with gasoline and also have a rhyolitic composition. Rarely, pumice can erupt from fuel-charged magmas of basaltic or andesitic composition. “It’s definitely essential to always clear it right after every use because germs can expand over the surface of the stone,” https://bookmarkcitizen.com/story19423890/the-single-best-strategy-to-use-for-pumice-stone