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How to Use a Hand Lens, Streak Plate & the Mohs Scale

How to Use Geologist's Tools

Geologists use tools help them identify rock and minerals, map outcrops, and get a close look at their samples. Some tools are strictly for the laboratory but some are great in the lab and out in the field. We like those the best! In these short articles, you can learn how to use a hand lens, streak plates, household items, and the Mohs Hardness Scale to identify rock and mineral samples that you have in your Mini Me Geology kits or ones that you find out in nature.