Who would have ever thought that there was a solid such as a rock… that you could cut through it with a piece of paper?
Reticulite, a highly vesicular form of pumice, is so fragile it can be sliced in half with a Post-it note!
Reticulite from a volcanic eruption of Kilauea is contrasted with lava flows, and with carbonated soda. It can be crushed in your bare hands, or flattened with a plastic spoon; a plastic fork goes right through it. Visit our web site at http://www.uhh.hawaii.edu/~csav/