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Raw White Sandstone, Sedimentary Rock Specimen - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Eisco Labs (12) 12 auspowers_batchsix All heat shrink tubes areRaw White Sandstone, Sedimentary Rock Specimen Approx. 1" Geologist Selected & Hand Processed Great for Science Classrooms Eisco Labs (12) Product Features WHITE SANDSTONE White Sandstone is a recognizable sedimentary rock made up of well sorted and rounded grains of quartz, indicating that the clasts in the rocks have traveled a long distance from their source and experienced heavy erosion along the way GREAT FOR GEOLOGY CLASSROOMS Perfect for