Geoscience Introductory Rock Collection includes 15 specimens approximately measuring 1.5 x 1.5 inches. Set includes five each of igneous, sedimentary and metamorphic rocks and provides a primary presentation of the basic rock types.
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Introductory Rock Collection
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The Introductory Rock Kit includes 16 numbered and hand-selected samples from all over the U.S. representing each of the major rock groups (igneous,
Introductory Rock Kit
National Geographic Rock, Mineral & Fossil Advent Calendar for Children Age 6 to 12 Years, Unisex
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