sharing our knowledge.
Photographic gallery.  Thousands of particles under the microscope.
Wood Sawdust Under the Microscope

Wood Sawdust with Pores

The cellulose fibrils are oriented tangentially in the structure of the pore. As a result the high refractive index is tangential. When the red plate compensator is added to the path the NE and SW quadrents turn yellow and the NW and SE quadrents turn blue.

Transmitted Crossed Polarized Light with Red Plate Compensator


Significance in the Environment:

Characteristic Features:

Associated Particles: