Most pumice erupts from magmas which might be highly charged with gas and have a rhyolitic composition. Seldom, pumice can erupt from gas-charged magmas of basaltic or andesitic composition. Because of its porous framework, pumice is Employed in soil mixes for horticulture. It helps with water retention, aeration, and drainage https://bookmarksparkle.com/story19545821/eden-pumice-stone-an-overview