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® 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® Hornfels
Supplier: Avantor
Gray, fine-grained, massive contact rock.
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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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Pumice (Light Gray)
Supplier: Avantor
Glassy; most specimens float in water.
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Ward's® Obsidian
Supplier: Avantor
Shiny black volcanic glass showing conchoidal fracture and some spherulites.
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Ward's® Coal (Lignite)
Supplier: Avantor
Brownish black, intermediate stage between peat and bituminous coal.
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Ward's® Limestone (Encrinal)
Supplier: Avantor
Gray with line crinoid columnal fragments.
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Ward's® Tuff (Rhyolitic)
Supplier: Avantor
Gray, fine, friable, with abundant small sanidine crystal fragments.
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Ward's® Marble (Fine White)
Supplier: Avantor
Fine crystalline, pure calcite.
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Ward's® Introductory Mineral & Rock Collection With Matching Thin Sections
Supplier: Avantor
Buy Both the Thin Section Set and the Hand Specimen Set and Save!
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Ward's® Sedimentary Petro-Lab Set
Supplier: Avantor
Designed for Introductory College Petrography Labs
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Ward's® Porphyry
Supplier: Avantor
Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.
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GEO-logic Igneous Rocks Thin Section Topic Set
Supplier: Avantor
Examine the Mineral Composition of Igneous Rocks
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Ward's® Coal (Bituminous)
Supplier: Avantor
Black, soft; most widely mined.
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