Are there rocks that are light enough to float on water?



  1. 0 Votes

    Yes there is. It is a very special kind of rock called pumice. Pumice is an igneous rock made from lava froth from an erupting volcano that cools very quickly. Since the lava is full of bubbles and the rapid cooling doesn’t let the air escape, pumice very light. Some so light that it can float on water.

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