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ExtremeTech on MSNSeismic Shifts Help Quartz Accumulate Nuggets of Gold: Studybut an electron scanning microscope later revealed that gold nanoparticles had begun to accumulate on the quartz's surface.
Pennsylvania may not be the first place that comes to mind when thinking of gemstone mining, but the Keystone State has a surprising diversity of beautiful natural gemstones that can be found across ...
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