Washington School Collection for geology and Earth science contains forty top-quality rock and mineral specimens. This is our most popular rock and mineral collection.
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Our most popular rock and mineral collection! Forty top-quality rock and mineral specimens are provided. Rock-forming minerals, ores of common metals and nonmetals, sedimentary, igneous and metamorphic rocks are all represented. Specimens are approximately 2" x 1½" and packaged in a compartmentalized collection box with study guide and key.
A matching set of test chips is available. The chips are unlabeled, smaller in size—perfect for student testing and identification.