Rocks & Minerals of U.S. Basic Colletion - 35 pcs.
Excellent reference collections and a valuable aid in identifying and comparing common and rare rocks and minerals. These mounted collections display common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2-1". Rocks and Minerals Study Guide included. Please note picture includes more pieces than is actually included. This collection includes 35 pieces.
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