Échantillons rocheux
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.
General Collection of Rocks and Minerals
Students discover the variety of rocks and minerals with this collection.
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Ward's® Build Your Own Collection Kits
Everything You Need to Organize Your Specimens
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Ward's® Illite Shale
Green shale which contains approximately 85% Illite. Impurities may include other clay minerals, such as micas and feldspars.
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Ward's® Black Sand
1 pound of black sand packaged in a heat-sealed bag.
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North American Rock Collection
This collection with rock types and associations with the North American continent contains 100 specimens with each group represented: igneous, metamorphic, and sedimentary. Specimens are approximately 1"" x 1"", number-coded in compartmented container.
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Pocket Hardness Points Set
Students determine a mineral's hardness between five and 10 on Mohs' scale.
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Trachyte Slab
Striking display slab of trachyte that hass been cut, ground and laquered.