Pumice has been used in the medicinal industry for more than 2000 yrs. Historical Chinese drugs made use of floor pumice as well as floor mica and fossilized bones added to teas to quiet the spirit. This tea was utilised to treat dizziness, nausea, insomnia, and stress and anxiety Diseases. https://mysocialfeeder.com/story4290937/not-known-factual-statements-about-pumice-stone-suppliers