| STUDYING SANDS
USING THE STEREOMICROSCOPE January 29th and 30th, 2007 |
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These grains which look like crystal are quartz minerals.  To learn more about sands |
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| STUDYING SANDS
USING THE STEREOMICROSCOPE January 29th and 30th, 2007 |
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These grains which look like crystal are quartz minerals. To learn more about sands |
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