Chinese Gray Goat Hair
This is a photograph of the prepared "Chinese Gray Goat
Hair" slide from the Cargille Hair Standard set.
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.
Associated Particles:
References:
Von Bergen, Werner, WOOL HANDBOOK: VOLUME ONE, Interscience Publishers, pp. 364-365,
1963