Raw Pumice Igneous Rock Specimen, 3 - Hand Sample Samples - Eisco

As the frothy lava cools, it hardens as a light weight rock that is filled with small gas bubbles. Because this rock is so porous and light, it can actually float on water. Because this rock is so porous and light, it can actually float on water.

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Raw Pumice, Igneous Rock Specimen - Hand Sample - Approx. 3 — Eisco Labs

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Raw Pumice, Igneous Rock Specimen - Hand Sample - Approx. 3 — Eisco Labs

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Raw Pumice, Igneous Rock Specimen - Hand Sample, ± 2.75 — hBARSCI

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Raw Pumice, Igneous Rock Specimen - Hand Sample - Approx. 3 — Eisco Labs

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