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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:   Red-brown to gray, coarse-grained, containing feldspar and mica.

Description:   Introduce your students to rocks formed metamorphism of other rocks.
Description:   Gray metamorphosed shale showing "slaty cleavage".
Description:   Light grayish green, fine-grained, well-foliated, schistose.
Description:   Diorite is a mix of dark pyroxene and light andesine provides perfect representation of an intermediate igneous rock.
Description:   Black, soft; most widely mined.
Description:   Classic, dark; from the Columbia Plateau.
Description:   Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.
Description:   Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Description:   Buff, coarse, crystalline “Austin Marble” with shell casts and molds.

Description:   Everything Students Need to Work Independently to Identify Rocks and Minerals
Description:   Coarse-grained, with microcline, biotite and horblende phenocrysts.
Description:   Rhyolite is a pale, pink felsic rock with lower density than most igneous rocks.
Catalog Number: (470218-840)

Description:   Without Glued-On Grains That Wear Off, Chart Stands up to Repeated use.
Description:   Garnet Schist is metamorphosed granite containing numerous garnet crystals
Description:   Scoria is a dark-colored rock formed from lava with a high gas content.
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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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