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® Coal (Bituminous)
Supplier: Avantor
Black, soft; most widely mined.
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Ward's® Diorite
Supplier: Avantor
Coarse, 'salt and pepper': dark pyroxene and light andesine. Provides perfect representation of an intermediate igneous rock.
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Limestone Chips
Supplier: Avantor
4 pounds of limestone chips supplied in a box.
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Metamorphic Rock Set of 18
Supplier: Avantor
Includes: six each of marble, slate, and quartzite. Set of 18.
Common rocks and minerals for testing and identification studies are 2–3cm each.
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Common Rock Collection
Supplier: Avantor
An introductory rock set contains six samples from each of the three major rock types.
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Ward's® Andesite (Porphyry)
Supplier: Avantor
Gray andesite with phenocrysts of felspar and/or hornblende.
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Ward's® Gneiss (Gray Banded)
Supplier: Avantor
White and black bands of quartz, feldspar, and biotite; typical foliation.
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Ward's® Igneous Rock Collection
Supplier: Avantor
Samples of Intrusive and Extrusive Igneous Rocks
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Ward's® Slate (Dark Gray)
Supplier: Avantor
Chlorite-mica with perfect slaty cleavage.
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Ward's® Sandstone (Banded)
Supplier: Avantor
Red, medium, to coarse-grained iron oxide cement; shows hematite bands.
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Ward's® Intro to Petrography Thin Sections and Rock Set
Supplier: Avantor
Set of Nine Thin Sections and Matching Rocks
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