Pumice is created when super-heated, highly pressurized magma is ejected from a volcano and cools rapidly. Dissolved gases within the magma create bubbles, which are then trapped as the lava solidifies, resulting in a frothy, vesicular texture.
Pumice is created when super-heated, highly pressurized magma is ejected from a volcano and cools rapidly. Dissolved gases within the magma create bubbles, which are then trapped as the lava solidifies, resulting in a frothy, vesicular texture.