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White-marble-quartzite, the students will work hands-on with the following rock samples; slate, schist, gneiss, white marble, quartzite. the sixth lesson in this series involves teaching about the processes of coal and fossil formation. the students will be working hands-on with the following samples of rocks and minerals; anthracite coal, halite, pyrite, kaolinite, dolomite, and graphite. chapter 4 lesson chart ...