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Raw Carbonaceous Shale SpecimenSet of 6 Samples, 1 Shale is formed from the cementation and lithification of very small grains of rock, commonly mud or clay. The black color of the rock indicates an organic-rich composition. Black shale can contain trace amounts of oil, and is studied heavily for this reason. Shale is useful in sedimentary rock identification exercises due to its recognizable fissile habit.While each specimen will vary slightly in shape, size and color, it will measure approximately 1 in length. Set is packaged in a transparent bag, labeled & barcoded for easy identification and storage.Selected & Processed by a Geologist.Each and every specimen is selected and hand processed by an actual geologist, ensuring that each sample exhibits defining features. Rocks and minerals are sourced from a variety of locations around the world and are processed by hand in Victor, NY.Technical SupportAlways feel free to reach out to our team of scientists and geologists for additional information, or to assist you with any questions regarding our rock and mineral samples. CARBONACEOUS SHALE | Shale is formed from the cementation and lithification of very small grains of rock, commonly mud or clay. The black color of the rock indicates an organic-rich composition GREAT FOR GEOLOGY CLASSROOMS | Black shale can contain trace amounts of oil, and is studied heavily for this reason. Shale is useful in sedimentary rock identification exercises due to its recognizable fissile habit. This set of six samples is excellent for group study and examination GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY LABELED PACKAGING | Set is packaged in a transparent bag, and is labeled & barcoded for easy identification ASIN B08KJB2H46 Size 1 inch Theme Geology Set Name Raw Carbonaceous Shale Specimen Set Brand Name EISCO Unit Count 6 Count Item Weight 4.48 ounces Manufacturer Eisco Material Type Clay Item Dimensions 3 x 3 x 3 inches Number of Items 6 Educational Objective Observation Skills Manufacturer Part Number HESNG0038PK6