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Know Your Rocks and Minerals
Identify 33 unknown rocks and minerals.
Step-by-Step instructions lead you through the indentification process. Test for hardness, grain structure, cleavage/fracture tenacity, streak, texture and grain size. and then form your own identification key.
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Other Items to Consider:
The Famous Drinking Bird, Pkg. of 2
Rock Tumblers & Polishing Kits
Minerals And Fossils
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