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Rock Specimens


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Rock specimens are useful for studying textures, grain sizes, and other features altered by pressure, temperature, and other natural forces. Different select categories of rock specimens are available for purchase as well, including metamorphic, igneous, and sedimentary rocks. Sets of rock specimens are housed in compartmentalized collection boxes, with descriptions of each specimen printed for easy confirmation of identification. These rock specimens are carefully selected to be the highest quality to provide students with a suitable introduction to earth materials and their characteristics.


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Description:   Light gray, with flow structure.
Description:   Dark gray with abundant gas pocket vesicles.
Description:   High grade metamorphosed rock showing bands of quartz, feldspar, and biotite.
Description:   Gray to brown mudstone with abundant silt.
Description:   Pink feldspar mineral with a moh's hardness 6.
Description:   Gray to tan clastic rock made of silt sized particles.

Description:   Beautifully polished and distinctive slabs or rare 2.3 billion year old fossil stromatolites. Well defined growth structures in matrix.
Description:   Gray, fine-grained, massive contact rock.
Description:   Medium-grained with biotite.
Description:   Study the Formation of Different Igneous Rocks
Description:   Chert is a microcrystalline, hard, silica mineral.
Catalog Number: (470025-230)

Description:   Identify and classify unknown rock samples.
Description:   Altered Igneous and Sedimentary Rocks are Clearly Represented

Description:   Define and compare Ways Organisms Have Been Preserved
Description:   Cemented glacial gravel.
Description:   Light gray, fine small clasts.
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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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