Due to their composition, some stones are more likely to be damaged by acidic deposition than Other people. Granite is mainly composed of silicate minerals, like feldspar and quartz, which can be proof against acid assault. Sandstone is also generally made up of silica and is particularly So resistant. A https://alkaline-water-filters-fo54310.bloggerchest.com/18592954/what-is-the-ph-of-pure-water-can-be-fun-for-anyone