Rock Specimens
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.
Ward's® Gabbro (Hornblende)
Supplier: Avantor
Dark gray, with hornblende as the dominant mafic mineral.
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Ward's® Granite (Gray)
Supplier: Avantor
Fine to medium-grained with biotite.
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Ward's® Shale (Argillaceous)
Supplier: Avantor
Typical green-gray, fissile, clay-rich.
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Ward's® Siltstone
Supplier: Avantor
Gray to brown mudstone with abundant silt.
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Ward's® Hornfels
Supplier: Avantor
Gray, fine-grained, massive contact rock.
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Ward's® Limestone (Oolitic)
Supplier: Avantor
Gray to buff, with numerous ooliths and fossil fragments.
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Ward's® Skarn
Supplier: Avantor
White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.
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Ward's® Sandstone (White)
Supplier: Avantor
Well-cemented, medium-grained orthoquartzite.
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Ulexite (TV Stone)
Supplier: Avantor
Cut and finished samples with fiberoptic samples.
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Ward's® Cross-bedded Sandstone
Supplier: Avantor
Sawn and lacquered slab showing thinly bedded truncated layers in a well-cemented sandstone. Large hand specimen.
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Ward's® Schist (Mica)
Supplier: Avantor
Foliated biotite, coarse, silvery gray with quartz-feldspar bands.
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Sedimentary Rock Set of 18
Supplier: Avantor
Includes: six each of conglomerate, sandstone and shale. Set of 18.
Common rocks and minerals for testing and identification studies are 2–3cm each.
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Ward's® Igneous Petro-Lab Set
Supplier: Avantor
Designed for Introductory College Petrography Labs
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Ward's® Stretch Pebble Conglomerate
Supplier: Avantor
Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.
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Ward's® Coal (Lignite)
Supplier: Avantor
Brownish black, intermediate stage between peat and bituminous coal.
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Catalog #: CA21905-026
Supplier: Kimberly-Clark