Raw Pumice, Igneous Rock Specimen - Approx. 1 - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs

PUMICE | Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it hardens as a light weight rock that is

Raw Gabbro Igneous Rock Specimen, 1 - Geologist Selected Samples - Ei — Eisco Labs

12PK Raw Gypsum Rock Specimens, 1 - Geologist Selected - Eisco Labs

Minerals — Eisco Labs

Raw White Sandstone, Sedimentary Rock Specimen - Philippines

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

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

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

6PK Raw Mica Schist, Metamorphic Rock Specimens, ± 1 Each — hBARSCI

Geologist Selected Raw White Sandstone Rock - Ideal Chile

Raw Pumice Specimen, Set of 12 Samples, 1, Pumice is formed from the frothy lava that a volcanic explosion creates. As the frothy lava cools, it

12PK Raw Pumice, Igneous Rock Specimens - Approx 1 - Geologist Selected & Hand Processed - Great For Science Classrooms - Class Pack - Eisco Labs

12PK Raw Scoria Specimen, 1 - Geologist Selected Samples - Eisco Labs

12PK Raw Pumice, Igneous Rock Specimens, ± 1 Each