12PK Raw Red Sandstone, Sedimentary Rock Specimen - Approx. 1"- Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs 12 electronics3 Bubble tight to 10% of

Bubble tight to 10% of pop off pressure

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High Flexible durability

Operating Temperature : 14 to 140 F

Chanzo have a much better performance than ordinary carbon equivalent Best Packing Arranged Neatly to Avoid Bending

12PK Raw Red Sandstone, Sedimentary Rock Specimen - Approx. 1"- Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs 12 electronics3 Bubble tight to 10% of12PK Raw Red Sandstone, Sedimentary Rock Specimen Approx. 1" Geologist Selected & Hand Processed Great for Science Classrooms Eisco Labs Product Features RED SANDSTONE Sandstone is made up of well sorted and well rounded grains of quartz. This indicates that the clasts in the rocks have traveled a long distance from their source and were heavily eroded along the way. This sample is red due to the inclusion of iron in the chemical structure of the