Skin Flakes
The three human skin flakes here are easily seen in this
tapelift from a home. They all show stress birefringence.
Transmitted Off Crossed Circular Polarized Light Illumination
Definition/Function:
Significance in the Environment:
Characteristic Features:
Human dander varies from isotropic to particles with stress birefringence. The stress
birefringence of human skin flakes tends to be low. The
refractive index of human skin flakes tends to be around 1.550 but will vary with stress
and oil content.
Associated Particles:
References: