Collection of 50 specimens in the following groups: Igneous, Sedimentary and Metamorphic Rocks, Ores, Gemstones and Minerals in the Scale of Hardness. Specimens are 1” x 1” in size and are numbered for referencing the enclosed identification key. Storage box with compartmented tray holds the specimens. Perfect for Grades 5-12. Product Dimensions: 14” x 7.25” x 1.25”.
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