Scoria
Related Category: Geology and Oceanography
see
pumice.
More on Scoria
Pumice - volcanic glass formed by the solidification of lava that is permeated with gas bubbles. Usually found at the surface of a lava flow, it is colorless or light gray and has the general appearance of a ...
More on Scoria
Pumice - volcanic glass formed by the solidification of lava that is permeated with gas bubbles. Usually found at the surface of a lava flow, it is colorless or light gray and has the general appearance of a ...
