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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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® 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® 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® Limestone (Oolitic)
Supplier: Avantor
Gray to buff, with numerous ooliths and fossil fragments.
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Ward's® Gabbro (Hornblende)
Supplier: Avantor
Dark gray, with hornblende as the dominant mafic mineral.



