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Photographic gallery.  Thousands of particles under the microscope.

Wool Cuticle

This is a photograph of the cuticle pattern on a commertial "wool" yarn fiber.

Transmitted Oblique Illumination


Significance in the Environment:

Characteristic Features:

Wool has a refractive index along its length of about 1.56 and perpendicular to its length of about 1.55. It has a birefringence of about 0.01 and a positive sign of elongation.

Associated Particles: