Most pumice erupts from magmas which have been very charged with gas and have a rhyolitic composition. Rarely, pumice can erupt from fuel-billed magmas of basaltic or andesitic composition. Because of its porous framework, pumice is used in soil mixes for horticulture. It can help with h2o retention, aeration, and https://brightbookmarks.com/story19619234/the-single-best-strategy-to-use-for-pumice-stone