Wool

This is a photograph of the prepared "Angora Goat" slide from the Cargille Hair Standard set. The plane of focus is on the surface of the hair so that the cuticle pattern is visible.

Transmitted Crossed Linear Polarized Light

Definition/Function:

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.

Wool

This is a photograph of the prepared "Angora Goat" slide from the Cargille Hair Standard set. The plane of focus is on the surface of the hair so that the cuticle pattern is visible.

Definition/Function:

Significance in the Environment:

Characteristic Features:

Associated Particles:

References: