Schaumige - Translation from German into English | PONS
Pumice is an important industrial mineral used to produce high-quality cement and lightweight, isolating building materials. Pumice is a textural term for a volcanic rock that is a solidified frothy lava composed of highly microvesicular glass pyroclastic with very thin, translucent bubble walls of extrusive igneous rock.. It is commonly, but not exclusively of silicic or felsic to ...