Lyocell, Tencel Fiber Cross-section
Reflected Brightfield Illumination
Significance in the Environment:
This is a common clothing fiber.
Tencel has a refractive index along its length of about 1. to 1. and perpendicular to its length of about 1. to 1..
It has a birefringence of up to 0.0 and a positive sign of elongation.