Pumice stone - Stock Image - E417/0281 - Science Photo Library
Pumice stone. This soft abrasive igneous rock originated as part of a pyroclastic flow from the 1883 eruption of Krakatoa (Krakatau). MICHAEL CLUTSON/SCIENCE PHOTO LIBRARY
Pumice Stone at General Store
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Density of Pumice and Stone Stock Image - Science Source Images
Pumice igneous rock - Stock Image - C005/5441 - Science Photo Library
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Density of Pumice and Stone - Stock Image - C043/9062 - Science Photo Library
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Pumice Images – Browse 133,019 Stock Photos, Vectors, and Video