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Density


1,054  results were found
Specimens

Specimens are available for use in a wide variety of organic and inorganic testing procedures. Organic samples can be utilized for dissection purposes or studying whole preserved or life specimens, with practical examples in cellular biology or the internal structures of whole organs and complex multicellular systems. Rock specimens are useful for studying textures, grain sizes, and other features brought about by pressure, temperature, and other natural forces, offering a glimpse into the Earth’s geological history.


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Description:   White, massive, coarse crystalline vein, Mohs’ hardness of 7.
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Description:   Amphibole group; black, coarse, massive.
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Description:   Classic, dark; from the Columbia Plateau.
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Description:   Nearly pure, green crystalline forsterite.
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Description:   Hematite-cemented quartz; orthoquartzite.
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Description:   Well-cemented, medium-grained orthoquartzite.
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Description:   Gray to brown mudstone with abundant silt.
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Description:   Coarse crystalline, carbonate.
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Description:   Dark brown to black; polycrystalline zinc ore.
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Description:   Typical green-gray, fissile, clay-rich.
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Catalog Number: (470025-900)

Description:   Fulgurite
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Catalog Number: (470180-506)

Description:   This unusual-looking Echinoderm, a small ball-shaped organism, displays radial symmetry. It moves via tube feet.
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Catalog Number: (470176-566)

Description:   Very large ciliate. Feeds on colpidium. Hay medium.
Characterized by cilia; nearly all possess two types of nuclei.
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Description:   This organism is easily recognized by its trumpet-shape, and can commonly be found in freshwater ponds and streams. It reproduces by budding.
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Description:   All microbial cultures undergo an extensive quality control program prior to releasing for sale, so they are guaranteed for purity as well as for spec...
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Catalog Number: (470179-934)

Description:   Ideal for comparative study, the four cultures included in this set represent green algae's variety of physical morphologies.
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-962-2660.
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