All photographs copyright (2003-2013) by Kris H. Light

<strong>Pumice</strong> is a type of volcanic rock that is made when lava cools rapidly, trapping air bubbles in it. Pumice is so light, it can float in water. The white rock is pumice.
Pumice is a type of volcanic rock that is made when lava cools rapidly, trapping air bubbles in it. Pumice is so light, it can float in water. The white rock is pumice.

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