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mica and gold in sand

Minerals in the Sand – Geological Oceanography Lab,Nov 28 2016 · Figure 5 shows an SEM image of a grain of biotite from beach sand collected at Moss Landing Beach When I first came upon this grain under the SEM I knew that it was mica due to its sheetlike form and good cleavage in one direction However from the SEM image there is no way of knowing whether it is muscovite or biotiteso I turn to the EDX...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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