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

VOLCANIC TUFF | Dust & ash deposited during explosive volcanic eruptions can become compacted and lithified over time, forming large packages of tuff.

12PK Raw Fossiliferous Limestone, Sedimentary Rock Specimens

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

SCORIA | Scoria forms as spatter from bubbly, mafic lava is thrown into the air and cooled quickly. The crystallization happens so quickly that large

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

Raw White Sandstone, Sedimentary Rock Specimen - Turkey

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6PK Raw Volcanic Tuff, Igneous Rock Specimens, ± 1 Each — hBARSCI

Raw Volcanic Tuff, Igneous Rock Specimen - Hand Sample - Approx. 3

Raw Volcanic Tuff, Igneous Rock Specimen - Approx. 1 - Geologist

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