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Excellent 100 specimen reference collection and a valuable aid in identifying and comparing common and rare rocks and minerals. This 100 specimen mounted collection displays common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2-1”.
Excellent 100 specimen reference collection and a valuable aid in identifying and comparing common and rare rocks and minerals. This 100 specimen mounted collection displays common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2-1”.
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