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® 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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Pumice (Light Gray)
Supplier: Avantor
Glassy; most specimens float in water.
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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® Limestone (Encrinal)
Supplier: Avantor
Gray with line crinoid columnal fragments.
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Ward's® Marble (Fine White)
Supplier: Avantor
Fine crystalline, pure calcite.
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Ward's® Sedimentary Petro-Lab Set
Supplier: Avantor
Designed for Introductory College Petrography Labs
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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® Porphyry
Supplier: Avantor
Shows porphyritic texture in a fine dark matrix abundant large feldspar phenocrysts. Hand specimen.
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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® Shale (Argillaceous)
Supplier: Avantor
Typical green-gray, fissile, clay-rich.
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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® Granite (Gray)
Supplier: Avantor
Fine to medium-grained with biotite.
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Ward's® Limestone (Oolitic)
Supplier: Avantor
Gray to buff, with numerous ooliths and fossil fragments.
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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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