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Photographic gallery.  Thousands of particles under the microscope.
Mica

Mica

This is one of the mica minerals in the sand from the Palm Desert area. This grain has a 2V of about 40 degrees

Transmitted Circular Polarized Light

Definition/Function:

Significance in the Environment:

Characteristic Features:

Associated Particles:

References:

Deer, W. A., R. A. Howie, and J. Zussman, AN INTRODCUTION TO THE ROCK-FORMING MINERALS, ISBN 0-582-30094-0, pp. 288-293, 1992.