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.

Raw Scoria, Igneous Rock Specimen - Hand Sample - Approx. 3 - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs: : Industrial & Scientific

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

Raw Andesite, Igneous Rock Specimen - Approx. 1 - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs (1): : Industrial & Scientific

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

Raw Biotite Gneiss, Metamorphic Rock Specimen - Approx. 1 - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs: : Industrial & Scientific

6PK Raw Pumice, Igneous Rock Specimens - Approx. 1 - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack - Eisco Labs : : Industrial & Scientific

12PK Raw Scoria, Igneous Rock Specimen - Approx. 1- Geologist Selecte — hBARSCI

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

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

12PK Raw Basalt Rock Specimens, 1 - Geologist Selected Samples - Eisc — Eisco Labs

Raw White Sandstone, Sedimentary Rock Specimen - Turkey