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Photographic gallery.  Thousands of particles under the microscope.
Sand, Pont du Gard, France Through the Microscope

Sand, Gard River (Gard or Gardon) France

This sand sample is from a beach just upstream of Pont du Gard, France.

Transmitted Off Crossed Circular Polarized Light

Definition/Function:

Significance in the Environment:

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Associated Particles:

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