Pumice Rounded by Erosion

"Pumice Rounded by Erosion. This piece was found in California. It is about 1.5 inches across. Pumice is an igneous rock having lots of silica and formed by volcanos with lots of gas creating bubbles. This makes pumice very light. It will float when places in water! This piece is rounded by erosion. This is a sample of our inventory your pumice specimen will be similar in size and appearence.

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