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EISCO 12PK Raw Limestone Chalk, Sedimentary Rock Specimens - Approx. 1" - Geologist Selected & Hand Processed - Great for Science Classrooms - Class Pack Labs
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EISCO 12PK Raw Limestone Chalk, Sedimentary Rock Features
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LIMESTONE CHALK | Limestone is made up of organic material, primarily calcium carbonate. The chalk variety consists of the shells of coccolithophores, small platy animals that stack together and powder easily. Large layers of chalk indicate a low-oxygen environment, most likely ancient seafloor beds
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GREAT FOR GEOLOGY CLASSROOMS | Ideal for identification & classification exercises. Provides an excellent example of chemically formed sedimentary rock. This set of six samples is excellent for group study and examination
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GEOLOGIST SELECTED | Each specimen is selected and hand processed by an actual geologist, ensuring each sample exhibits defining features
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LOCALLY PROCESSED | Our rock and mineral samples are sourced from a variety of locations around the world and are processed in Victor, NY
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INDIVIDUALLY PACKAGED & LABELED | Each specimen sample is packaged in a transparent bag, and is labeled & barcoded for easy identification
About EISCO 12PK Raw Limestone Chalk, Sedimentary Rock
Raw Limestone Chalk Specimen Set of 12 Samples, 1" Limestone is made up of organic material, primarily calcium carbonate. The chalk variety consists of the shells of coccolithophores, small platy animals that stack together and powder easily. Large layers of chalk indicate a low-oxygen environment, most likely ancient seafloor beds. Ideal for teaching students about rounding and sorting, as well as for identification & classification exercises. Provides an excellent example of chemically formed sedimentary rock. While each specimen will vary slightly in shape, size and color, it will measure approximately 1" in length. Each is individually packaged, 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 Support Always 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.
